Air date: 2023-02-18

Runtime: 47 min

In a crime-heavy district of Xizhou, the body of a young man is discovered. Special Investigation Division (SID) officer Luo Weizhao arrives at the scene, where suspicions arise linking this to previous drug-related cases. The scene also draws the attention of Pei Su, the young president of the Pei Group.

Air date: 2023-02-18

Runtime: 53 min

Luo Weizhao’s team identifies a suspect, Zhang Donglan, who is connected to a high-profile group and the SID chief. Pei Su, with his own ties to the case, undergoes questioning.

Air date: 2023-02-18

Runtime: 59 min

An anonymous tipster, Chen Zhen, implicates a drug ring in his sister’s death. Tension escalates when the victim’s mother confronts Zhang Donglan after his release.

Air date: 2023-02-18

Runtime: 58 min

A raid on a nightclub uncovers new evidence. A crucial clue from a surveillance camera refocuses the investigation.

Air date: 2023-02-18

Runtime: 58 min

The suspect's alias and tragic past come to light. Luo Weizhao takes a more personal approach to uncover the truth.

Air date: 2023-02-18

Runtime: 50 min

While celebrating a birthday, Pei Su notices a mysterious gaze following a child — hinting at a new threat.

Air date: 2023-02-18

Runtime: 53 min

A new case involving a missing girl echoes a cold case from 16 years ago. Luo Weizhao revisits the father of a past victim for leads.

Air date: 2023-02-18

Runtime: 55 min

A girl vanishes during Pei Su’s birthday dinner. The team connects her disappearance to a survivor of a similar past case.

Air date: 2025-04-04

Runtime: 60 min

Clues lead to a chilling diary found with human remains. A twisted relationship and dark secrets emerge.

Air date: 2025-04-04

Runtime: 50 min

The investigation uncovers new truths about a cold case, and two new interns, including Pei Su, join the SID

Air date: 2025-04-11

Runtime: 50 min

A corporate heir is kidnapped. Family secrets and power struggles within the Zhou Group surface.

Air date: 2025-04-11

Runtime: 50 min

A shocking package from the past revives questions about a suspicious death. The SID follows new leads.

Air date: 2025-04-18

Runtime: 60 min

A series of deaths and a fire point to a larger conspiracy. Pei Su and Luo Weizhao uncover secrets buried in Pei’s childhood home.

Air date: 2025-04-25

Runtime: 50 min

As suspects flee, more details about the Zhou Group’s shady rise to power are exposed.

Air date: 2025-04-25

Runtime: 55 min

A car explosion puts Pei Su’s life at risk. The SID closes in on a shadowy figure.

Air date: 2025-04-25

Runtime: 50 min

Pei Su recovers in the hospital and begins to trust Luo. A mysterious visitor brings insight into Pei’s past.

Air date: 2025-05-02

Runtime: 50 min

Luo receives a cryptic letter from his late mentor. A new case begins as five students disappear.

Air date: 2025-05-02

Runtime: 50 min

A mutilated body is found. Surveillance footage identifies a long-wanted criminal from the "327 Case".

Air date: 2025-05-09

Runtime: 50 min

A student reveals a hidden hierarchy of abuse within a boarding school.

Air date: 2025-05-09

Runtime: 50 min

Interrogation reveals manipulation and cover-ups. A victim tried to expose systemic violence before his death.

Air date: 2025-05-16

Runtime: 50 min

Trust is tested as Pei Su speculates he might be the "Purifier". Luo Weizhao affirms his belief in Pei.

Air date: 2025-05-16

Runtime: 50 min

The team traces surveillance footage to uncover the criminal’s hideout.

Air date: 2025-05-23

Runtime: 50 min

A drone-supported raid leads to the discovery of a planted bomb — an ominous escalation.

Air date: 2025-05-23

Runtime: 50 min

Old injustices resurface. Luo Weizhao uncovers secrets tied to the notorious Seine Riverside case.

Air date: 2025-05-30

Runtime: 50 min

The team discovers the star witness was impersonated. The SID suspects an internal leak.

Air date: 2025-05-30

Runtime: 50 min

Pei Su delves into his subconscious for answers, learning the identity of a missing professor.

Air date: 2025-06-06

Runtime: 50 min

A bug is found on an SID member. Pei Su and others suspect a high-level traitor.

Air date: 2025-06-06

Runtime: 50 min

A repressed memory reveals a key player in past cases. A shocking disappearance changes the game.

Air date: 2025-06-13

Runtime: 50 min

All forces converge at an abandoned mansion — the site of a past murder. Loyalties are tested.

Air date: 2025-06-13

Runtime: 50 min

The final confrontation forces a life-or-death decision. Pei Su and Luo Weizhao face the ultimate moral challenge.