Season 1

Bai Jinxi investigates a mysterious incident at a hotel party and crosses paths with the enigmatic detective Han Chen.

Bai Jinxi investigates a new assault case and clashes with Han Chen when he joins the investigation.

Bai Jinxi uses criminal profiling to investigate a series of assaults with disturbing similarities.

Bai Jinxi and Han Chen work together to track down a suspect connected to a series of assaults.

New evidence leads Bai Jinxi and Han Chen closer to the culprit behind the assault cases.

Bai Jinxi finally breaks through the suspect's defenses and uncovers the motive behind the crimes.

Bai Jinxi begins investigating her forgotten past while Han Chen prepares to lead a new special task force.

Bai Jinxi joins Han Chen and several specialists to form the Black Shield task force.

A shooting leads Bai Jinxi and Han Chen to investigate a mysterious killer known only as T.

The Black Shield team discovers an online presence targeting people believed to have escaped justice.

The investigation into T intensifies as the team uncovers a connection between his victims and an online forum.

Han Chen and Bai Jinxi enter a remote mountain area to participate in T's dangerous game.