这是一段社会阶级悬殊中成长过来的纯爱故事。山口百惠饰演富家政客的独生女，偏爱上一名黑社会的古惑仔（三浦友和饰），当中卷入人性的恶斗，最后两人双双倒在街头。

This is a story of love between a society girl and a yakuza boy. Mami lives an ordinary life in Tokyo, being with her friends and studying. Her biggest interest is ladies hats. She is rather well off, as her father is the ambassador of Japan in Spain. One day when she is out driving, she is attacked by a group of yakuza, but is saved by the honorable yakuza Jiro. This will change her life forever.