A thrilling "who-dun-it?" that weaves in and out of the lives of the residents of a small village. Sex and subterfuge bubble to the surface when the young coquettish Mrs Wang (Elaine Chin Yen-ling) disappears. A young girl, Marble (Hsu Ke-ying) says she saw someone falling in the water after a violent quarrel. When the police find no evidence, Marble and her friends launch their own investigation. But Marble is going to get more than she bargained for now that the killer knows there is a witness out there.