After a long absence, Furin returns, with his old colleagues shocked by his return; with Furin now the new head of the homicide department, he takes on the case of the murdered teenager.

A paranoid pop star seeks help from the department, but the circumstances on his case are questionable; when the pop star's security guard is murdered, Furin takes the case.

An old man brings a troubling note to the station indicating that multiple women have been kidnapped; Furin and his colleagues race against time to find the group of kidnappers before it's too late.

Furin's friend is in danger after getting too close to a dangerous criminal, but it won't be easy to extricate them.

Parts of human bodies are found in the different locations around the city within a couple of days; Furin begins having hallucinations, prompting him to seek out psychiatric help.

A member of the homicide department is asked to murder a man in exchange for money; an Internal Affairs agent begins investigating the department.