Doubt
A criminal profiler begins questioning everything he’s ever believed about seeking justice after learning his daughter is linked to a murder case.A criminal profiler begins questioning everything he’s ever believed about seeking justice after learning his daughter is linked to a murder case.
Seasons & Episodes
Season 1
Episode 1: I know that I haven't been a good dad until now.
Tae-su's tenacity makes him South Korea's top profiler. But his work gets in the way of being a pare...
Episode 2: Is it really an accident regarding Ha-jun?
Tae-su wants to trust his daughter, but all evidence points to Ha-bin. He draws suspicion from Offic...
Episode 3: You become better at lying.
New revelations emerge as Tae-su investigates Ha-bin's alibi, while Eo-jin begins to question Tae-su...
Episode 4: How can you be so sure?
After Tae-su submits a keychain as evidence, the police discover a link to another case. Yeong-min i...
Episode 5: Our Habin
Tae-su receives a shocking call as secrets begin to tumble out. Agitation and suspicion over the unf...
Episode 6: I'll Tell You Everything...Let's Meet
While Dae-hong is disappointed with the changes in Tae-su, Eo-jin learns about her colleague’s pas...
Episode 7: What Habin Saw
Another murder forces Tae-su to question his daughter as the evidence points to her involvement. Jun...
Episode 8: When Did You Start Suspecting Her?
A mysterious envelope arrives at the police station. Ducheol blackmails Taesoo using Habin. Habin le...
Episode 9: Prove You're Not the Killer
The violent crimes unit identifies Habin as a suspect. Taesoo realizes there's no escape this time. ...
Episode 10: I Believe You
The true killer is revealed, but the motive behind the murder remains unclear. Habin refuses to let ...
Episode 11: EP.11
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Episode 12: EP.12
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Episode 13: EP.13
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Episode 14: EP.14
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Episode 15: EP.15
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Episode 16: EP.16
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Episode 17: EP.17
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Episode 18: EP.18
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Episode 19: EP.19
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Episode 20: EP.20
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