Depicts a man who gets into a motorcycle accident, his wife Mei, younger sister, and mother. It also tells the story of Ying, a young woman, who is murdered in their home, policeman Jing who is investigating the case, and his wife Yin, who is having an affair with a fellow policeman. They are all connected. The more Jing tries to solve the case, the more cryptic their relationship becomes, and past memories come to light.