Voice (Season 4)
🎬 tvN · Tubi · Prime Video
⭐ 8.4 / 10 MDL 🔞 15+
📋 Drama Overview
Everything you need to know before you hit play.
Kang Kwon-joo relocates to Vimo Island chasing a killer who hears the world exactly the way she does, and the emails he sends her stop reading like threats and start reading like a preview — he tells her what’s about to happen before it happens. Calling himself Circus Man, he builds his crimes around families and manipulated teenagers, and the season’s first real gut-punch lands early: whoever he is, his face looks disturbingly like hers.
Derek Jo, an LAPD detective still working through his sister’s death, becomes Kwon-joo’s reluctant partner in tracking him down, and what starts as a straightforward manhunt turns into something much larger once Sonang Village enters the picture — a community that looks like a quiet fishing town and functions like a cult protecting its own. Fourteen episodes later, the season closes its case but leaves Kwon-joo walking away from the team that’s defined her since Season 1.
14 / 14 ✅ Completed
⚡ Quick Verdict
One box. Everything you need to decide.
· MDL Score · 5,141 ratings
▶ Official Trailer
🎭 Cast & Characters
Lee Ha-na and Song Seung-heon lead a new international manhunt while an island cult hides Circus Man in plain sight.

Lead

Lead

Supporting

Supporting

Supporting

Supporting
📺 Episode Guide
Spoiler-light recaps — enough to remember where you left off, nothing that ruins the ride.
🏁 Ending Explained
Full spoilers ahead — everything that happens in the finale and what it all means.
Spoiler Warning — This section covers the full finale of Voice (Season 4). Stop here if you haven’t finished the series.
What actually happened The Golden Time Team finally corners Dong Bang-min in a last confrontation that strips away every alias — Circus Man, the center director, the mediating ‘master’ — down to the frightened, damaged person underneath all four personalities. His grandfather’s decades of manipulation and Sonang Village’s complicity come out in the same breath, and Bang-min is taken into custody as the cult’s protection finally collapses around him.
Derek’s reckoning Derek’s half of the finale is its own gut-punch: his mother wasn’t a suicide, she was murdered by the grandfather, Dong Bang Heon-yeop, who spent years abusing both Derek and his sister before either of them understood why. Justice for Bang-min and justice for his own family turn out to be the same fight, just arriving fourteen episodes later than he expected.
Sonang Village’s reckoning Dismantling Circus Man’s actual crimes matters less than dismantling what let him operate for so long — a village that chose to protect its elders’ secrets over its own children, generation after generation. The hallucinogenic plant that kept residents compliant is the season’s ugliest reveal, worse in some ways than anything Bang-min did himself.
Shim Dae-sik’s quiet return Shim Dae-sik’s return to the team gets its own quiet resolution here too — he faces down Bang-min alongside everyone else, closing a personal loop the season never made a big deal out of but clearly cared about finishing.
The KDW verdict Kwon-joo accepting an invitation to leave the Golden Time Team and study her hearing on her own terms is the choice the finale actually wants you to sit with, more than the arrest. Four seasons in, Voice finally lets its lead walk toward something instead of just closing another case, and that’s a stronger note to end a season on than a clean conviction.
✍️ KDramaWorlds Editor’s Take
Our honest read on why this drama is worth your time — and who it’s for.
🎭 Multiple Personalities
🚔 LAPD Crossover
📞 Golden Time Race
Dong Bang-min’s introduction plays like a magic trick — four personalities sharing one body, and Lee Kyu-hyung never lets any of them blur into the others, which is the difference between a gimmick and an actual performance. Season 3 already proved this franchise could make its villain’s psychology as compelling as the manhunt itself; Season 4 raises that bar by giving the killer four separate psychologies to track at once.
Bringing in an LAPD detective as co-lead could have played as a gimmick bolted onto a Korean procedural, but Derek Jo’s grief over his sister gives the crossover an actual emotional spine instead of just a subtitle-friendly excuse for English dialogue. Shows built around a killer’s fractured psychology run the risk of turning diagnosis into spectacle; Mouse hit that same wall a few months earlier, and Voice Season 4 mostly avoids it by keeping Bang-min’s trauma tethered to a specific, traceable childhood rather than an abstract theory of evil.
Sonang Village doing double duty as both crime scene and cult is the season’s smartest structural choice. It’s not a twist so much as a slow accumulation — every episode adds one more resident who knew, one more elder who looked away — until the reveal barely needs to be dramatic because the audience has already done the math.
Viewers who want a serial-killer plot built on genuine psychological complexity, not just a mask
Anyone curious how Voice handles an international crossover four seasons in
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