A young sociologist is going to write a paper on criminal women. while collecting information, he met a serial killer of a woman who grew up in the countryside who had killed her father when she was nine years old. when he grew up, he murdered her husband and several of her lovers. Unwittingly, the sociologist was affected by her story and charm and tried his best to help her find favorable evidence so that the female prisoner was acquitted. After being released from prison, the female prisoner did the same trick and sent the sociologist to prison.