Season 1
12 episodes · Apr 20, 2026
Season Videos
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S1E1Tae-ju’s Comeback To Kangseong
Apr 20, 202667mAfter his superior is arrested, Kang Tae-ju is reassigned and returns to his hometown of Kangseong following a demotion. On his first day working at the local office, he learns from his coworkers that a former convict connected to one of his past cases has been brutally assaulted.
S1E2Female Reporter In Police Operation
Apr 21, 202664mFollowing a tense and uneasy reunion with Si-young, Tae-ju throws himself back into the hunt for the serial killer. As the investigation intensifies, a determined reporter named Ji-won becomes involved, joining the effort to track down the murderer.
S1E3The Emergence Of New Victim
Apr 27, 202666mAfter Tae-ju assaults the county governor's nephew in retaliation for Soon-young's attack, he faces the serious threat of losing his position. Meanwhile, a victim's testimony leads him to a troubling discovery
S1E4The Doubt Toward Gi-beom
Apr 28, 202666mReeling from the death of Min-ji, who had placed her trust in him, Tae-ju seeks out Si-young and proposes that they work together to capture the serial killer. His return sparks tension and debate among his colleagues, but Tae-ju remains single-minded, determined to continue the hunt.
S1E5Gi-beom’s Missing
May 4, 202662mAs suspicion tightens around Gi-beom, evidence seems to seal his guilt. However, more evidence proves to contradict the timeline. As Tae-ju digs deeper, suspicion shifts toward someone with close access.
S1E6The Handbag That Leads To A Suspicious Man
May 5, 202663mDoubt grows over Lee Gi-beom's guilt as his confession is exposed as coerced through illegal detention and abuse. Tae-ju confronts corruption within the investigation while Ji-won uncovers new leads.
S1E7Another Suspect
May 11, 202668mDoubts grow over Lee Gi-beom's confession as Tae-ju uncovers corruption, illegal detention, and a cover-up. Suspicion shifts to Im Seok-man, while new evidence reignites the hunt for the real serial killer.
S1E8Soon-young's Disappearance
May 12, 202667mIm Seok-man is forced into a false confession during a police reenactment, while authorities declare the case solved. Tae-ju grows suspicious and starts uncovering corruption behind the investigation and Gi-beom's death.
S1E9The Killing Is Not Over
May 18, 202662mAs buried secrets resurface, Tae-ju begins uncovering a terrifying truth behind the serial killer case everyone believed was solved. A hidden child, suspicious police involvement, and growing distrust push the investigation into darker territory, forcing the team to question everything they thought they knew.
S1E10The Conspiracy About Hye-jin’s Body
May 19, 202666mTae-ju gets closer to exposing the truth as shocking connections between past victims and the police begin to surface. Trust inside the team starts to crack, while a dangerous suspect makes a bold move that puts everyone at risk. With time running out, the investigation spirals toward an explosive confrontation.
S1E11The Emergence Of Yeong-beom
May 25, 202667mA tragic accident pushes Tae-ju to make a desperate choice as hidden family ties and painful secrets resurface. While Soonyoung fights for her life, old wounds, guilt, and power struggles threaten to destroy everyone connected to the past.
S1E12The Result Of Seok-man’s Retrial
May 26, 202666mIn the emotional finale, long-buried truths finally come to light as Tae-ju and Soon-young face the consequences of the past. With betrayal, sacrifice, and grief reaching their peak, the final confrontation forces everyone to choose between revenge and forgiveness - leading to a heartbreaking but unforgettable ending.