A detective trying to catch a murderer faces a knife-edge crisis. When the killer’s wife dies, he raises their daughter himself. Ten years later, a teacher at the girl's school turns out to be the fiance of her father's murder victim.

A detective trying to catch a murderer faces a knife-edge crisis. When the killer’s wife dies, he raises their daughter himself. Ten years later, a teacher at the girl's school turns out to be the fiance of her father's murder victim.