Season 1

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  8.3/1016 votes

  Cooperation As Yet Unheard Of

  Season 1 Episode 1 - Aired 1/2/2023

  Dr. Shin Ha-ru is fired after illegally acquiring a criminal’s brain. He volunteers to help Detective Geum Myeong-se's bureau — and to make him pay.

  Director: Gu Seong-jun, Lee Jin-seo

  Writer: Park Kyung-seon

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  8.3/1015 votes

  The Most Brilliant Moment

  Season 1 Episode 2 - Aired 1/3/2023

  Ha-ru and Myeong-se's first case involves a famous guitarist and his wife, who turned herself in for his murder. But Ha-ru turns the case on its head.

  Director: Gu Seong-jun, Lee Jin-seo

  Writer: Park Kyung-seon

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  8.4/1014 votes

  I Don't Know My Wife's Face

  Season 1 Episode 3 - Aired 1/9/2023

  A Vietnamese woman is found dead with her face and hands burnt. Her husband suffers prosopagnosia; her best friend has disappeared. Both are suspects.

  Director: Gu Seong-jun, Lee Jin-seo

  Writer: Park Kyung-seon

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  8.3/1014 votes

  Things That Are Visible When You Close Your Eyes

  Season 1 Episode 4 - Aired 1/10/2023

  New evidence and test results drastically change the face of the case. A killer approaches Ha-ru, saying he wants to donate his brain to neuroscience.

  Director: Gu Seong-jun, Lee Jin-seo

  Writer: Park Kyung-seon

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  8.0/1011 votes

  The Girl With The Wicked Spirit

  Season 1 Episode 5 - Aired 1/16/2023

  A 6-year-old with aphasia gets turned in by her mother. She believes a demon has possessed her daughter to kill — and her husband has paid the price.

  Director: Gu Seong-jun, Lee Jin-seo

  Writer: Park Kyung-seon

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  7.9/1011 votes

  How To Be Saved Forever

  Season 1 Episode 6 - Aired 1/17/2023

  Ha-ru exposes the truth before the child’s exorcism can take place. And a tablet reveals some dirt on the detective, much to the doctor's delight.

  Director: Gu Seong-jun, Lee Jin-seo

  Writer: Park Kyung-seon

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  8.0/1010 votes

  A Man Cheating With His Wife

  Season 1 Episode 7 - Aired 1/30/2023

  Ha-ru’s attempt to sully Myeong-se embarrassingly backfires. A man reports his wife missing to the police, claiming a "virtual human" attacked her.

  Director: Gu Seong-jun, Lee Jin-seo

  Writer: Park Kyung-seon

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  8.1/1010 votes

  Love, The Basic Instinct

  Season 1 Episode 8 - Aired 1/31/2023

  After a husband's confession, his wife shows symptoms of conversion disorder. Who killed who? Ha-ru gives up his revenge and leaves the department.

  Director: Gu Seong-jun, Lee Jin-seo

  Writer: Park Kyung-seon

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  8.0/109 votes

  Reset Man

  Season 1 Episode 9 - Aired 2/6/2023

  A suspect whose memory resets every 30 minutes claims he has killed his mother. Ha-ru returns, intrigued by a patient with anterograde amnesia.

  Director: Gu Seong-jun, Lee Jin-seo

  Writer: Park Kyung-seon

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  8.0/109 votes

  Though Memories Fade, feat. How to Forget Bad Memories

  Season 1 Episode 10 - Aired 2/7/2023

  The stepbrother becomes a prime suspect as the siblings’ harrowing tale comes to light. On his date with So-jeong, Myeong-se gets a call about a body.

  Director: Gu Seong-jun, Lee Jin-seo

  Writer: Park Kyung-seon

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  8.0/1010 votes

  A Brain on Trial

  Season 1 Episode 11 - Aired 2/13/2023

  The perpetrator who left a mysterious note at the murder scene demands a reduced sentence. Unaware of Dong-u’s plan, Ha-ru appears as a witness.

  Director: Gu Seong-jun, Lee Jin-seo

  Writer: Park Kyung-seon

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  7.6/1010 votes

  The Effects Love and Breakups Have on the Brain

  Season 1 Episode 12 - Aired 2/14/2023

  Ha-ru's statement in court stirs up the media. When he unravels the cause of Kim Mo-ran’s hypersexuality, Myeong-se and So-jeong get tangled up in it.

  Director: Gu Seong-jun, Lee Jin-seo

  Writer: Park Kyung-seon

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  7.9/1011 votes

  A Teenage Brain Versus A Psychopath Brain

  Season 1 Episode 13 - Aired 2/20/2023

  A bleeding boy is found unconscious in I-na's bedroom. All of her friends claim she's the one responsible, and unfortunately, the evidence agrees.

  Director: Gu Seong-jun, Lee Jin-seo

  Writer: Park Kyung-seon

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  7.9/1011 votes

  The Best Revenge

  Season 1 Episode 14 - Aired 2/21/2023

  Ha-ru helps prove I-na's innocence. As he and Myeong-se's family bond, Ha-ru finally discovers Myeong-se’s flaw, leading to his untimely resignation.

  Director: Gu Seong-jun, Lee Jin-seo

  Writer: Park Kyung-seon

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  7.9/1011 votes

  Episode 15

  Season 1 Episode 15 - Aired 2/27/2023

  Ha-ru learns that his parents weren't killed in a car accident but murdered. To find their killer, Ha-ru must accept a psychopath's dangerous offer.

  Director: Gu Seong-jun, Lee Jin-seo

  Writer: Park Kyung-seon

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  7.9/1014 votes

  Episode 16

  Season 1 Episode 16 - Aired 2/28/2023

  Myeong-se and Ha-ru must play the sympathy game, or else. The hostages will be released if their brain waves sync. Can two heads work better than one?

  Director: Gu Seong-jun, Lee Jin-seo

  Writer: Park Kyung-seon