影片改编自天童荒太的直木奖获奖小说。静人继续着自己的旅程，在人们身故的地方跪下来并不断记忆:这个人曾爱过谁、曾为谁所爱、曾因做过什么而得到感谢……虽然静人的一切令周围的人感到不可思议，然而通过旅途中的相遇，藏于哀悼行为深处自责的执念，及对于亲密的人故去的遗恨，逐渐鲜明了起来。Based on the novel "The Mourner". Shizuto Sakatsuki travels going from scene to scene of deadly accidents and mourns for the victims. The people he meet serve as a platform for the viewer to examine life and death.