Original Sin - Season 1

When a headless body surfaces from a lake, Zheng Ming and Dai Yu uncover a nervous witness who may be hiding the truth.

As Zheng Ming zeroes in on Hao Yuanfang, buried ties to Huang Xiaojie complicate the investigation.

Dai Yu digs into Jin Ji’s troubled past while a key witness vanishes, pushing Zheng Ming closer to a breakthrough.

A second body surfaces and a suspect escapes, forcing Zheng Ming and Dai Yu to escalate the hunt.

Dai Yu’s forensic reconstruction corners a suspect—but Zheng Ming still can’t locate the missing victim.

A stolen corpse and missing college students pull Dai Yu and Zheng Ming into overlapping nightmares.

After a late-night sighting, Dai Yu uncovers a chilling clue at a cliffside crime scene.

Zheng Ming keeps a crucial discovery secret as suspicion shifts toward someone close to the victim.

A tampered DNA report leads Dai Yu to question everything—including the victim’s family ties.

As betrayal unravels, Zheng Ming races to secure the one piece of evidence that could close the case.

Haunted by Xu Haishan’s past, Zheng Ming clashes with Dai Yu when an old case resurfaces.

A suspicious confession divides Dai Yu and Zheng Ming, deepening fractures within the team.

While dismantling an organ trafficking ring, Zheng Ming’s trauma resurfaces at the worst possible moment.

Dai Yu uncovers a fatal transplant secret, exposing a deadly conspiracy behind multiple murders.

A casino raid spirals out of control, and Dai Yu’s life hangs in the balance.

After Lin Zhixiao’s death, Dai Yu reveals Xu Haishan’s truth to Zheng Ming—reopening old wounds.

Zheng Ming’s secret investigation uncovers a disturbing video that points to Ye Xing.

Ye Xing offers a risky deal as Dai Yu and Zheng Ming investigate a decades-old trafficking case.

A hidden recording forces Ye Xing and Yang Yongchang into a dangerous confrontation.

Dai Yu reconstructs the night of the crime, dismantling Yang Yongchang’s airtight alibi.

When a blind woman is murdered, Zheng Ming and Dai Yu confront a killer who leaves numbered clues behind.

As Pang Beiyuan is arrested, Dai Yu suspects the truth behind the arson case is far from simple.

A mysterious toxin and a shocking link to Dai Yu’s father push the investigation closer to home.

After stealing Dai Yu’s father’s ashes, Pang Beiyuan demands a private meeting.

In a final standoff, Dai Yu confronts Pang Beiyuan as Zheng Ming is forced to make an impossible choice.