Original Sin

Forensic pathologist Dai Yu and detective Zheng Ming are drawn into a string of unsettling murders linked to an unresolved kidnapping case from years ago. As buried secrets resurface and the cases converge, they race against time to uncover the truth and bring the real culprit to justice.

1. 

   E1. Episode 1

   Jan 27, 2026 · 19m

   After Pang Beiyuan’s case, Dai Yu and Zheng Ming face psychological evaluations—just as a staged murder tied to a man with multiple identities pulls them into a new mystery.

2. 

   E2. Episode 2

   Jan 27, 2026 · 19m

   A second body links Liu Ping to his past, forcing Dai Yu and Zheng Ming to reopen a trail that leads back to 2007.

3. 

   E3. Episode 3

   Jan 27, 2026 · 19m

   As clues resurface from an unsolved kidnapping, Dai Yu begins suspecting Yang Guang and Ma Xiaoquan’s past may be darker than anyone knew.

4. 

   E4. Episode 4

   Jan 27, 2026 · 18m

   A father’s confession and forensic inconsistencies push Zheng Ming and Dai Yu to question whether two recent deaths were really accidents.

5. 

   E5. Episode 5

   Jan 27, 2026 · 19m

   When new evidence surfaces, suspicion shifts toward Feng Tingye and Li Xueqiong—just as hidden motives begin to unravel.

6. 

   E6. Episode 6

   Jan 27, 2026 · 18m

   Li Xueqiong’s apparent suicide raises red flags, and Dai Yu uncovers signs of a carefully staged crime scene.

+18 more episodes — open all seasons to browse every episode.