Original Sin· Season 1
Original Sin — Season 1
All 25 episodes in airing order, with first-run dates and viewer ratings.
- 01
When a headless body surfaces from a lake, Zheng Ming and Dai Yu uncover a nervous witness who may be hiding the truth.
- 02
As Zheng Ming zeroes in on Hao Yuanfang, buried ties to Huang Xiaojie complicate the investigation.
- 03
Dai Yu digs into Jin Ji’s troubled past while a key witness vanishes, pushing Zheng Ming closer to a breakthrough.
- 04
A second body surfaces and a suspect escapes, forcing Zheng Ming and Dai Yu to escalate the hunt.
- 05
Dai Yu’s forensic reconstruction corners a suspect—but Zheng Ming still can’t locate the missing victim.
- 06
A stolen corpse and missing college students pull Dai Yu and Zheng Ming into overlapping nightmares.
- 07
After a late-night sighting, Dai Yu uncovers a chilling clue at a cliffside crime scene.
- 08
Zheng Ming keeps a crucial discovery secret as suspicion shifts toward someone close to the victim.
- 09
A tampered DNA report leads Dai Yu to question everything—including the victim’s family ties.
- 10
As betrayal unravels, Zheng Ming races to secure the one piece of evidence that could close the case.
- 11
Haunted by Xu Haishan’s past, Zheng Ming clashes with Dai Yu when an old case resurfaces.
- 12
A suspicious confession divides Dai Yu and Zheng Ming, deepening fractures within the team.
- 13
While dismantling an organ trafficking ring, Zheng Ming’s trauma resurfaces at the worst possible moment.
- 14
Dai Yu uncovers a fatal transplant secret, exposing a deadly conspiracy behind multiple murders.
- 15
A casino raid spirals out of control, and Dai Yu’s life hangs in the balance.
- 16
After Lin Zhixiao’s death, Dai Yu reveals Xu Haishan’s truth to Zheng Ming—reopening old wounds.
- 17
Zheng Ming’s secret investigation uncovers a disturbing video that points to Ye Xing.
- 18
Ye Xing offers a risky deal as Dai Yu and Zheng Ming investigate a decades-old trafficking case.
- 19
A hidden recording forces Ye Xing and Yang Yongchang into a dangerous confrontation.
- 20
Dai Yu reconstructs the night of the crime, dismantling Yang Yongchang’s airtight alibi.
- 21
When a blind woman is murdered, Zheng Ming and Dai Yu confront a killer who leaves numbered clues behind.
- 22
As Pang Beiyuan is arrested, Dai Yu suspects the truth behind the arson case is far from simple.
- 23
A mysterious toxin and a shocking link to Dai Yu’s father push the investigation closer to home.
- 24
After stealing Dai Yu’s father’s ashes, Pang Beiyuan demands a private meeting.
- 25
In a final standoff, Dai Yu confronts Pang Beiyuan as Zheng Ming is forced to make an impossible choice.
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