A martial arts instructor from the police force gets imprisoned after killing a man by accident. But when a vicious killer starts targeting martial arts masters, the instructor offers to help the police in return for his freedom.
Qiao is in love with Bin, a local mobster. During a fight between rival gangs, she fires a gun to protect him. Qiao gets five years in prison for this act of loyalty. Upon her release, she goes looking for Bin to pick up where they left off.