An ultraviolent cops vs. gangsters bloodbath leaves casualties on both sides. Twenty years later, surviving team member Madam Fong leads a new squad in pursuit of reckless young anarchists terrorizing Macao.
Forensic Senior Chemist Yu Sing-pak, Crime Unit Inspector Tseng Ho-yin, and Pathology Doctor Fan Pui-ching form the elite Crime-busting Trio. Together, they investigate bizarre homicides, using forensic science and pathology to uncover the truth and deliver justice.
