Yu Sing-pak's honeymoon gets interrupted by unexpected events. While Tseng Ho-yin and Fan Pui-ching investigate two different suspicious homicides.

Sing-pak suspects the rooftop fall case isn't straightforward, and his tests confirm it. As new evidence emerges, the mystery deepens, leading to unexpected discoveries during the investigation.

Pui-ching unexpectedly meets a doctor resembling someone from her past. Meanwhile, crucial drone footage helps the police uncover the truth about Wong Shu-sam’s death.

A foul smell leads Sing-pak's team to discover a body in a sewer, prompting an investigation. Pui-ching encounters someone unexpected while jogging in the park.

Pui-ching’s autopsy of Chan Wai reveals inconsistent decomposition, complicating the time of death determination. Sing-pak, with help from Po-lok, conducts experiments and uncovers unexpected findings.

Sing-pak searches for a person in Japan while Po-ying's classmate finds a lead. Meanwhile, Ling Si-wai's friend faces serious accusations, and Wong Ching investigates date rape drugs.

Si-wai seeks new evidence for Wai-ping's case, while Pui-ching identifies the true cause of Chau Wing-tim's death. Sing-pak finds crucial details in Wai-ping's drink, and surveillance footage from Wing-tim's office reveals important clues.

The team investigates the suspicious deaths of two partners, while also uncovering a grim scene involving a couple in a residential unit. Sing-pak travels to Japan for leads at a university.

Pui-ching investigates the deaths of a couple and uncovers missing cash and a valuable watch. Sing-pak's team finds evidence that suggests the deaths were not suicides.

Sing-pak visits Japan to investigate a former tennis teammate of Po-ying but only finds the teammate's husband, who reveals unexpected information. Meanwhile, Ho-yin and the team question a suspect who stole a valuable watch.

The team reveals the truth about Tam Fat's death to his daughter. Ho-yin investigates a hit-and-run case, and Pui-ching uncovers suspicious details about her mentor's death.

A street attack results in multiple deaths. The team investigates, discovering blood traces at the scene and inconsistencies among the victims, leading to further inquiries and autopsies.

Pui-ching identifies the weapon used in the street attack, while Sing-pak's team makes a crucial discovery from the suspect's blood sample. The suspect's ex-girlfriend goes missing, prompting a search that uncovers suspicious clues.

Sing-pak investigates Po-ying’s disappearance with the help of an old friend in Japan. The team discovers new evidence at the missing person's flower shop and tracks down a suspicious truck driver, whose silence and connections to the case raise further questions.

During a celebratory ad shoot, a fatal chandelier accident occurs. Investigations reveal the accident might have been intentional, with suspicious individuals linked to the scene.