Two mismatched Hong Kong police detectives, Yau and Yue, were assigned to work undercover as a live-in couple to track down a serial killer accused of murdering adulterers. In the meantime, Yau (Anthony Chan) is coping with his girlfriend having left him, and Yue (Sandra Ng) is losing her boyfriend to a college girlfriend of his.
吳君如
as Ju
陳友
as Yau
吳家麗
as Li
張堅庭
as Wang Chieh
陸劍明
as
周文健
as Chang
胡楓
as Li's Father
譚倩紅
as Li's Mother
曾江
as Chief Inspector Wong Kwok Wing
李中寧
as Simon Piglet
Chow Kwok-Lun
as Fatty Lun
Ng Hoi-San
as Fatty Lun's Wife