Longing For You (2023) official poster
📺 K-Drama Guide · Mystery · Crime Thriller

Longing For You

오랫동안 당신을 기다렸습니다 · 2023
✅ Completed · 14 eps
🎬 Viki · Viu
⭐ 7.8 MDL
📺 PG-13
⚡ Updated · Jun 20, 2026

Longing For You (2023) drama poster
Completed🕵️ Crime Mystery Pick
Longing For You
오랫동안 당신을 기다렸습니다 (Oraetdongan Dangsineul Gidaryeotseumnida) · 2023 · South Korea
NetworkENA
Episodes14 episodes · ~65 min each
Air DatesJul 26 – Sep 7, 2023
MDL Score7.8 / 10
DirectorHan Chul-soo · Kim Yong-min
ScreenwriterKwon Min-soo
GenreMystery · Thriller · Crime
Age RatingPG-13

VikiViu
Serial Killer
Organ Trafficking
Sibling Bond
Revenge Procedural
Class vs Justice

The murders in Woojin are almost too neat — bodies arranged with deliberateness, not rage. That precision is what hooks Longing For You before the first episode ends: this isn’t a story about catching a killer so much as it’s about the cost of getting close to the truth when the truth has already been buried by people with enough money to hire the burial.

The serial killer thread and the family conspiracy running beneath it share the same architecture — both are about how wealth rewrites evidence before investigators can reach it. Na In-woo’s Oh Jin-sung understands this viscerally rather than intellectually, and that distinction gives the drama its best fuel. When the procedural becomes personal — when a heart transplant connects the man prosecuting the case to the victim at its center — Longing For You finds exactly what it’s been building toward for ten episodes.

Episode Progress
14 / 14 ✅ Completed

⚡ Quick Verdict

Everything that matters, at a glance.

⭐ Worth it?If you can make it past the midpoint, yes.
⏱️ CommitmentHigh — ~15 hours total
🔍 VibeCold Fury · Conspiracy · Grief
📺 Skip if…You need your mysteries clean and your justice cathartic.

7.8 / 10
MDL Score · Check MyDramaList for updated community rating

▶ Official Trailer

🎭 Cast & Characters

Na In-woo and Kim Ji-eun anchor a cast that makes the procedural personal.

Na In-woo as Oh Jin-sung in Longing For You (2023)
Na In-woo
Oh Jin-sung

Lead

Kim Ji-eun as Ko Young-ju in Longing For You (2023)
Kim Ji-eun
Ko Young-ju

Lead

Kwon Yul as Cha Young-woon in Longing For You (2023)
Kwon Yul
Cha Young-woon

Lead

Bae Jong-ok as Yoo Jung-sook in Longing For You (2023)
Bae Jong-ok
Yoo Jung-sook

Supporting

Lee Kyu-han as Park Ki-young in Longing For You (2023)
Lee Kyu-han
Park Ki-young

Supporting

Jung Sang-hoon as Bae Min-gyu in Longing For You (2023)
Jung Sang-hoon
Bae Min-gyu

Supporting

Jang Hye-jin as Hong Young-hee in Longing For You (2023)
Jang Hye-jin
Hong Young-hee

Supporting

Kim Hee-jung as Pi Jang-mi in Longing For You (2023)
Kim Hee-jung
Pi Jang-mi

Supporting

Ren as Oh Jin-woo in Longing For You (2023)
Ren
Oh Jin-woo

Supporting

Jeong Ga-hee as Yang Hee-joo in Longing For You (2023)
Jeong Ga-hee
Yang Hee-joo

Supporting

Kim Hyeong-mook as Chu Young-chun in Longing For You (2023)
Kim Hyeong-mook
Chu Young-chun

Supporting

Choi Gwang-il as Cha Jin-cheol in Longing For You (2023)
Choi Gwang-il
Cha Jin-cheol

Supporting

🍿 Where to Watch

Stream Longing For You on these platforms.

📺 Episode Guide

Enough per episode to jog your memory, nothing more.

Longing For You Episode 1 — Murder in Woojin
EP 01
Murder in Woojin
July 26, 2023
The premiere doesn’t open with a serial killer. It opens with Jin-seong — all bluster and forward momentum — which is exactly the kind of detective who misses things. The murders in Woojin are arranged too neatly for rage, and the show is already asking why someone would be that deliberate about it before Jin-woo is arrested and the question becomes unavoidable.

Longing For You Episode 2 — A Knife and Its Secrets
EP 02
A Knife and Its Secrets
July 27, 2023
An argument about class and evidence, disguised as a procedural. Jin-seong’s one-man crusade to clear Jin-woo works because it’s specific — a knife, a resharpening job, a detail the prosecution chose not to pursue. Young-joo’s accusation lands harder than any courtroom scene: that wealth selects its suspects before the investigation even begins.

Longing For You Episode 3 — The Memory Card
EP 03
The Memory Card
August 2, 2023
Jin-woo walks free. Then the deleted files on his camera are restored — photographs of ankles that mirror the killer’s fixation — and the episode refuses to let anyone settle. Jin-woo may be innocent of the murders, but there are things about him that no one knows. Good thrillers make their clearances into new questions.

Longing For You Episode 4 — Mort d'un Frère
EP 04
Mort d’un Frère
August 3, 2023
The show pivots in the rain and doesn’t apologize. Jin-woo’s attack is too staged for accident, and the episode’s flashback structure establishes that whoever ordered it had been watching long before the investigation started. The whodunnit becomes a grief story. Everything that follows is different.

Longing For You Episode 5 — Transfer to Seoul
EP 05
Transfer to Seoul
August 9, 2023
Jin-seong arrives in Seoul carrying something heavier than a badge transfer. The tonal shift — from procedural noise to cold methodical fury — is the episode’s real subject. He’s no longer investigating. He’s accounting for a debt, and the distinction changes how he moves through every scene that follows.

Longing For You Episode 6 — The Cufflinks
EP 06
The Cufflinks
August 10, 2023
A pair of custom cufflinks traced to a purchase list, to a name, to Jinjin Medical Center — procedural television at its most efficient. Young-joo’s parallel track, closing in on Bae Min-gyu with video of him killing his wife, confirms what the show has been suggesting: two separate conspiracies were running in the same city without knowing about each other.

Longing For You Episode 7 — Parallel Investigations
EP 07
Parallel Investigations
August 16, 2023
The drama struggles here to advance two threads at once, and the stretch shows. Neither investigation moves with urgency. Worth watching anyway for Jin-seong mapping connections between names, dates, and hospital records — the visual argument the show has been making in words: wealth insulates killers by creating distance between cause and consequence.

Longing For You Episode 8 — Reporter Park Ki-young Disappears
EP 08
Reporter Park Ki-young Disappears
August 17, 2023
Park Ki-young’s charred body, ruled suicide by people who know better, is the drama’s most efficient image: death made to look like a choice by those with resources to force the distinction. The succession document he left behind — hinting he anticipated his end — turns his absence into a posthumous accusation rather than a closed lead.

Longing For You Episode 9 — Mo Ri's Secret
EP 09
Mo Ri’s Secret
August 23, 2023
Jin-woo was adopted. His biological mother went by Mo Ri, then Jean-Claude Marie. The episode drops identity information in a rush that not all of it survives. But Bae Min-gyu charged for his wife’s murder — the serial killer case tidily closed — is the show at its most accurate: a wrong answer delivered with complete legal authority and no intention of looking further.

Longing For You Episode 10 — The Transplant
EP 10
The Transplant
August 24, 2023
The math lands: Jin-woo’s brain death, Young-woon’s unexplained year abroad recovering from a heart transplant, Jinjin Medical Center’s fingerprints on both timelines. Kwon Yul plays the realization not as shock but as recognition — the specific stillness of a man who needs to not know something he has already understood. The show has been building to this for nine episodes, and it earns every one of them.

Longing For You Episode 11 — Jinjin on Trial
EP 11
Jinjin on Trial
August 30, 2023
Young-joo and Jin-seong pool their separate approaches — legal precision and physical tenacity — and the episode is the drama’s most functional procedural writing because each brings what the other lacks. Viewers who stayed through the midpoint gear-shift are rewarded here. Episodes 11 and 12 are the reason they did.

Longing For You Episode 12 — Yoo Jung-sook's Wall
EP 12
Yoo Jung-sook’s Wall
August 31, 2023
Bae Jong-ok plays Yoo Jung-sook as someone who has never had to blink first, and this episode is built entirely around whether that changes. The question it poses — what does a son owe his mother when she is guilty of the unforgivable? — turns Longing For You from a crime drama into something closer to a moral tragedy. This question arrives exactly when it lands hardest.

Longing For You Episode 13 — The Smoking Gun
EP 13
The Smoking Gun
September 6, 2023
The video exists. Young-woon has it. What the episode is about — the only thing it needs to be about — is whether he hands it over. He does. The show doesn’t make this triumphant. It makes it quiet: a son accepting that saving himself from his mother’s crime means ending her. That restraint is the episode’s signature.

Longing For You Episode 14 — Final Episode
EP 14
Final Episode · Finale
September 7, 2023
The finale is court-heavy and earned: verdicts arrive, testimonies stack up, and Hong Young-hee urging Dr. Chu to speak truthfully carries more moral weight than any prosecution speech. Young-woon calling his own mother to the stand is not a confrontation — it’s a son accepting the grief he can’t outrun. Life sentences rather than death; just enough without being cathartic. A beach, a sprained ankle, two people allowed to be lighter. The show earns both endings.

🏁 Ending Explained

Spoilers ahead — the finale, broken down in full.

⚠️
Spoiler Warning — This section covers the full finale of Longing For You. Stop here if you haven’t finished the series.

Young-woon’s Choice. The act the entire drama has been circling arrives without fanfare: Young-woon calling his own mother to the stand. The show refuses to frame it as heroism. What it reveals is that justice in Longing For You requires a specific kind of self-destruction — you have to end something you love to stop being complicit in something worse. Young-woon doesn’t hand over the video because the law compels him. He does it because he cannot carry what he knows and remain who he was before Jin-woo’s death.

Longing For You (2023) — Ending Explained

Yoo Jung-sook Confesses. Bae Jong-ok plays the confession as a woman who accepts that the machinery she built has turned against her — and acknowledges this with the same composure she used to run Jinjin Medical Center. She doesn’t plead. She doesn’t perform remorse. That composure isn’t penitence. It’s acknowledgment of a system she understood and now loses. The distinction matters more than any apology would have.

Hong Young-hee’s Grace. The moral center of the finale isn’t the trial — it’s Hong Young-hee urging Dr. Chu to testify. She is the character with the most reason to withhold forgiveness and the most to lose by releasing it. That she chooses testimony over vengeance is an act of grace the drama has been quietly earning since Jin-woo’s brain death. Her grief didn’t become rage. It became something more useful.

Longing For You (2023) — Ending Explained

Justice Without Catharsis. Life imprisonment rather than death — for Yoo Jung-sook, Secretary Jung Woo-no, Park Ki-young, and Bae Min-gyu — is deliberately unsatisfying, and that’s the point. Young-joo, who wanted to crush criminals without mercy, gets legal precision instead of victory. Jin-seong, who wanted vengeance for his brother, gets accountability. Neither received what they came for at the start of episode one. The drama has spent fourteen episodes arguing that justice and closure are not the same thing, and the verdict upholds that argument even when it costs the audience the release it expected.

Two Kinds of Ending. Young-woon lives near the prison, sending letters his mother refuses to read. The show doesn’t offer him peace or reconciliation — only the choice to keep going, unresolved. That’s the most honest thing the finale does. Jin-seong carrying Young-joo on his back at the beach is the other ending: smaller, warmer, not resolved but allowed. Two people who held something terrible together, given a moment to be lighter. Neither ending forces closure on what the drama wisely knew couldn’t close.

Longing For You (2023) — Ending Explained

✍️ KDramaWorlds Editor’s Take

Is it worth your time? Here’s our honest take, and who it suits best.

🔍 Slow-burn Mystery
🩸 Crime Conspiracy
💔 Grief as Fuel
⚖️ Justice vs Catharsis
🏃 Cold-Fury Procedural

Na In-woo brings a specific physical quality to Oh Jin-sung that the character requires — not charisma, exactly, but mass. The way he occupies interrogation rooms and doorframes communicates something the dialogue doesn’t have to say: this is a man who solves problems by moving toward them. His career before this drama was largely lighter fare, which makes the grief passages in episodes 5 and 10 more effective than they might have been otherwise — there’s less performance convention to navigate, and the raw weight shows. Viewers drawn to the detective-with-personal-stakes premise will find similar — and sharper — DNA in Beyond Evil (2021), where the investigator’s personal cost is pushed considerably further.

Longing For You (2023) — Editor's Pick

Kwon Yul’s Young-woon is the harder role: a man who has to perform moral certainty while knowing, somewhere, that his own survival may have required someone else’s death. He plays the discovery in episode 10 not as shock but as recognition, which is the more interesting choice. Bae Jong-ok’s Yoo Jung-sook doesn’t get the screen time the material warrants, but she makes every scene count — there’s a moment in episode 12 where she simply listens to testimony against her without moving, and the patience is more chilling than denial would have been. For the serial killer procedural thread, Through the Darkness (2022) covers similar territory with sharper focus and less filler.

The middle section — episodes 7 through 9 — tests patience before it pays off. Two investigations running in parallel stretch the runtime without meaningfully advancing either, and the adoption backstory arrives in a burst that the show hasn’t earned emotionally before moving on. But Longing For You recovers. Episodes 10 through 14 justify everything before them, and the finale makes quiet, specific choices that most procedurals avoid. Worth the commitment if you’re patient with gear-shifts. Not worth it if your tolerance for slow midpoints is low.

👍👍👍 BEST FOR 👍👍👍
🕵️ Fans of detective-meets-family-conspiracy dramas
💔 Viewers who want accountability, not catharsis
🎭 Bae Jong-ok completionists — her restraint carries the finale

⚖️ Final Verdict
What works
Heart transplant revelation in EP 10 lands with real dramatic weight
Bae Jong-ok’s quiet menace carries the Cha family conspiracy thread
Finale makes just rather than cathartic choices — the braver call

What to know first
Episodes 7–9 lose momentum before the major reveal
Serial killer subplot resolves too conveniently for its own ambition
Some emotional backstory arrives as information, not feeling

7.5 / 10
A crime drama that earns its last four episodes — slow midpoint and all.

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