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S2 E24
Original Sin is a mystery and drama TV series that premiered on iQiyi on August 30, 2024. It has 2 seasons and 49 episodes so far and has ended. The latest episode, Season 2 Episode 24, aired on January 31, 2026.
Forensic expert Dai Yu and detective Zheng Ming team up to solve complex crimes involving strange disappearances, mysterious deaths, and an organ trafficking ring. As they confront personal challenges and dark twists, they both are pushed to grow while navigating the dangers of their work.
Last updated
49 episodes · 2 seasons
2024 · 25 episodes · Last episode: 2 years ago
E25
In a final standoff, Dai Yu confronts Pang Beiyuan as Zheng Ming is forced to make an impossible choice.
E24
After stealing Dai Yu’s father’s ashes, Pang Beiyuan demands a private meeting.
E23
A mysterious toxin and a shocking link to Dai Yu’s father push the investigation closer to home.
E22
As Pang Beiyuan is arrested, Dai Yu suspects the truth behind the arson case is far from simple.
E21
When a blind woman is murdered, Zheng Ming and Dai Yu confront a killer who leaves numbered clues behind.
E20
Dai Yu reconstructs the night of the crime, dismantling Yang Yongchang’s airtight alibi.
E19
A hidden recording forces Ye Xing and Yang Yongchang into a dangerous confrontation.
E18
Ye Xing offers a risky deal as Dai Yu and Zheng Ming investigate a decades-old trafficking case.
E17
Zheng Ming’s secret investigation uncovers a disturbing video that points to Ye Xing.
E16
After Lin Zhixiao’s death, Dai Yu reveals Xu Haishan’s truth to Zheng Ming—reopening old wounds.
E15
A casino raid spirals out of control, and Dai Yu’s life hangs in the balance.
E14
Dai Yu uncovers a fatal transplant secret, exposing a deadly conspiracy behind multiple murders.
E13
While dismantling an organ trafficking ring, Zheng Ming’s trauma resurfaces at the worst possible moment.
E12
A suspicious confession divides Dai Yu and Zheng Ming, deepening fractures within the team.
E11
Haunted by Xu Haishan’s past, Zheng Ming clashes with Dai Yu when an old case resurfaces.
E10
As betrayal unravels, Zheng Ming races to secure the one piece of evidence that could close the case.
E9
A tampered DNA report leads Dai Yu to question everything—including the victim’s family ties.
E8
Zheng Ming keeps a crucial discovery secret as suspicion shifts toward someone close to the victim.
E7
After a late-night sighting, Dai Yu uncovers a chilling clue at a cliffside crime scene.
E6
A stolen corpse and missing college students pull Dai Yu and Zheng Ming into overlapping nightmares.
E5
Dai Yu’s forensic reconstruction corners a suspect—but Zheng Ming still can’t locate the missing victim.
E4
A second body surfaces and a suspect escapes, forcing Zheng Ming and Dai Yu to escalate the hunt.
E3
Dai Yu digs into Jin Ji’s troubled past while a key witness vanishes, pushing Zheng Ming closer to a breakthrough.
E2
As Zheng Ming zeroes in on Hao Yuanfang, buried ties to Huang Xiaojie complicate the investigation.
E1
When a headless body surfaces from a lake, Zheng Ming and Dai Yu uncover a nervous witness who may be hiding the truth.
2026 · 24 episodes · Last episode: 9 months ago
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.
Original Sin Season 2 release dates →
E24
After Wen Xian’s arrest, a shocking revelation about Xu Haishan’s hidden actions tests the trust between him, Dai Yu, and Zheng Ming.
E23
Wen Xian confesses his motives to Xu Haishan, but escapes after a violent confrontation.
E22
DNA evidence and a raincoat tie Wen Xian to multiple crimes, while Xu Haishan’s past resurfaces.
E21
A faded exam number points Zheng Ming toward Wen Xian—while Dai Yu senses he is being watched.
E20
A chilling link between Huang Hankun and a 2007 assault case leads Dai Yu to suspect a serial offender.
E19
Wang Yu confesses to killing her abusive husband—but forensic evidence suggests another hand was involved.
E18
As a second body is recovered from the lake, Zheng Ming realizes Wang Yu may not have acted alone.
E17
What appears to be an accidental electrocution unravels into murder, as buried family secrets surface in Huangjiazhuang.
E16
A deadly synthetic toxin resurfaces, pulling Dai Yu, Zheng Ming, and Xu Haishan into a shadow war with a dangerous organization.
E15
The truth behind the apartment fire and two connected murders emerges, revealing a revenge plot years in the making.
E14
Dai Yu’s autopsy reveals murder staged as an accident, exposing a deeper conspiracy between Liu Rong and her allies.
E13
After Cheng Jiancai’s sudden death, three suspects turn on each other—each with something to hide.
E12
As Liu Rong faces the truth about her husband’s death, forensic evidence suggests the crime scene was carefully relocated.
E11
A frozen body discovered in a cold storage facility draws Dai Yu back into work as Zheng Ming uncovers a long-missing man’s secrets.
E10
Xie Tong confesses to years of calculated revenge, forcing Zheng Ming into a heartbreaking final confrontation.
E9
A cryptic pattern hidden in knitting and playing cards leads Dai Yu to a devastating breakthrough.
E8
Shocking revelations tie a 2007 accident to Xie Tong’s family—sending her into emotional collapse.
E7
As tensions explode between Feng Tingye and Cheng Kangren, Zheng Ming races to stop another killing.
E6
Li Xueqiong’s apparent suicide raises red flags, and Dai Yu uncovers signs of a carefully staged crime scene.
E5
When new evidence surfaces, suspicion shifts toward Feng Tingye and Li Xueqiong—just as hidden motives begin to unravel.
E4
A father’s confession and forensic inconsistencies push Zheng Ming and Dai Yu to question whether two recent deaths were really accidents.
E3
As clues resurface from an unsolved kidnapping, Dai Yu begins suspecting Yang Guang and Ma Xiaoquan’s past may be darker than anyone knew.
E2
A second body links Liu Ping to his past, forcing Dai Yu and Zheng Ming to reopen a trail that leads back to 2007.
E1
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.
Original Sin has ended, so no new episodes are scheduled. The final episode aired on January 31, 2026.
The most recent episode of Original Sin, Season 2 Episode 24, aired on January 31, 2026.
Original Sin has 2 seasons with 49 episodes in total.
Original Sin first aired on iQiyi on August 30, 2024.
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