The film follows a young woman,
Wu Hongyan (
Liu Dan), and works as a prison guard who aids in the
execution of female prisoners. Lonely and widowed, Wu finds herself taking the night train to a dating service in a neighboring city. After a series of unsuccessful dates, she meets
Li Jun (
Qi Dao), with whom she begins a relationship. It soon becomes clear that Li Jun is hiding a secret: that he is the widower of one of Wu's executed prisoners. Li Jun is torn both by his attraction to Wu, but also his desire to exact some sort of vengeance. Wu, meanwhile, must consider her own safety in this new volatile relationship. == Cast ==