Original SinSeason 12024 · 25 episodesEpisodes1Episode 1When a headless body surfaces from a lake, Zheng Ming and Dai Yu uncover a nervous witness who may be hiding the truth.2Episode 2As Zheng Ming zeroes in on Hao Yuanfang, buried ties to Huang Xiaojie complicate the investigation.3Episode 3Dai Yu digs into Jin Ji’s troubled past while a key witness vanishes, pushing Zheng Ming closer to a breakthrough.4Episode 4A second body surfaces and a suspect escapes, forcing Zheng Ming and Dai Yu to escalate the hunt.5Episode 5Dai Yu’s forensic reconstruction corners a suspect—but Zheng Ming still can’t locate the missing victim.6Episode 6A stolen corpse and missing college students pull Dai Yu and Zheng Ming into overlapping nightmares.7Episode 7After a late-night sighting, Dai Yu uncovers a chilling clue at a cliffside crime scene.8Episode 8Zheng Ming keeps a crucial discovery secret as suspicion shifts toward someone close to the victim.9Episode 9A tampered DNA report leads Dai Yu to question everything—including the victim’s family ties.10Episode 10As betrayal unravels, Zheng Ming races to secure the one piece of evidence that could close the case.11Episode 11Haunted by Xu Haishan’s past, Zheng Ming clashes with Dai Yu when an old case resurfaces.12Episode 12A suspicious confession divides Dai Yu and Zheng Ming, deepening fractures within the team.13Episode 13While dismantling an organ trafficking ring, Zheng Ming’s trauma resurfaces at the worst possible moment.14Episode 14Dai Yu uncovers a fatal transplant secret, exposing a deadly conspiracy behind multiple murders.15Episode 15A casino raid spirals out of control, and Dai Yu’s life hangs in the balance.16Episode 16After Lin Zhixiao’s death, Dai Yu reveals Xu Haishan’s truth to Zheng Ming—reopening old wounds.17Episode 17Zheng Ming’s secret investigation uncovers a disturbing video that points to Ye Xing.18Episode 18Ye Xing offers a risky deal as Dai Yu and Zheng Ming investigate a decades-old trafficking case.19Episode 19A hidden recording forces Ye Xing and Yang Yongchang into a dangerous confrontation.20Episode 20Dai Yu reconstructs the night of the crime, dismantling Yang Yongchang’s airtight alibi.21Episode 21When a blind woman is murdered, Zheng Ming and Dai Yu confront a killer who leaves numbered clues behind.22Episode 22As Pang Beiyuan is arrested, Dai Yu suspects the truth behind the arson case is far from simple.23Episode 23A mysterious toxin and a shocking link to Dai Yu’s father push the investigation closer to home.24Episode 24After stealing Dai Yu’s father’s ashes, Pang Beiyuan demands a private meeting.25Episode 25In a final standoff, Dai Yu confronts Pang Beiyuan as Zheng Ming is forced to make an impossible choice.Season 2
