Fang Yi-jen inspects a fingerprint from the scene of a grisly crime and strikes a deal with investigative journalist Hsu Hai-yin.

As police search for Chang Tsung-chien, Fang recalls an incident in Chiang Hsiao-meng's past and uncovers a shocking truth about the recent deaths.

Fang and Hsu learn about Chiang Jo-ying's tragic end. As the investigation faces an impasse, Li Ya-chun turns herself in to the police.