A story about a hitman named Hayamada who carries a distinctive red gun and his reason for his work, and how he came to be alone. His aim right now is to reach a destination, but he's late. Along the way, having injured himself in a vehicular accident, he runs into Miyuki, who as also become alone due to tragic events within her family. As Hayamada collapses from his injuries Miyuki takes him to a hospital. 日本版这个杀手不太冷？。在音乐间行走的宿命。 电影以极富独创性的手法描绘了以杀手和雇主的关系相遇的年轻男女对生的绝望和对爱的追求。 失去双亲，孤身一人的少女观幸，遇到了拿着一把红枪的职业杀手叶山田。二个人对对方那种似曾相识的感觉吸引他们开始一起行动。这时候，叶山田正被两个杀手追杀，一个还是他的养父.另一方面，叶山田正也要为他被残酷谋杀的父母主持正义，观幸也有一件事要他出手...
