One night, Xueming hits a pedestrian with his car and flees the scene. Desperate to escape his feelings of guilt, he decides to approach the dead man's wife, Mrs Liang. Meanwhile, the body is discovered, riddled with bullets. Chen, the detective in charge of the investigation, becomes obsessed with the case. Years later, all three remain caught in a tangled web of memories and lies, desperately searching for a truth that refuses to be revealed.