Doubt - Season 1

A criminal profiler begins questioning everything he’s ever believed about seeking justice after learning his daughter is linked to a murder case.

10 Episodes

I know that I haven't been a good dad until now.

Season 1 - Episode 1

Tae-su's tenacity makes him South Korea's top profiler. But his work gets in the way of being a parent, especially when his daughter is a su...

Is it really an accident regarding Ha-jun?

Season 1 - Episode 2

Tae-su wants to trust his daughter, but all evidence points to Ha-bin. He draws suspicion from Officer Dae-hong, who begins investigating th...

You become better at lying.

Season 1 - Episode 3

New revelations emerge as Tae-su investigates Ha-bin's alibi, while Eo-jin begins to question Tae-su's involvement in the case.

How can you be so sure?

Season 1 - Episode 4

After Tae-su submits a keychain as evidence, the police discover a link to another case. Yeong-min is brought in for questioning once more.

Our Habin

Season 1 - Episode 5

Tae-su receives a shocking call as secrets begin to tumble out. Agitation and suspicion over the unfolding investigation begin to mount.

I'll Tell You Everything...Let's Meet

Season 1 - Episode 6

While Dae-hong is disappointed with the changes in Tae-su, Eo-jin learns about her colleague’s past. Ha-bin reaches a breaking point with Ye...

What Habin Saw

Season 1 - Episode 7

Another murder forces Tae-su to question his daughter as the evidence points to her involvement. Jun-tae turns himself in.

When Did You Start Suspecting Her?

Season 1 - Episode 8

A mysterious envelope arrives at the police station. Ducheol blackmails Taesoo using Habin. Habin learns the secret behind Jisu's death, whi...

Prove You're Not the Killer

Season 1 - Episode 9

The violent crimes unit identifies Habin as a suspect. Taesoo realizes there's no escape this time. He desperately tries to block the invest...

I Believe You

Season 1 - Episode 10

The true killer is revealed, but the motive behind the murder remains unclear. Habin refuses to let go of the intent to kill, leaving Taesoo...