A chief of police investigates a series of murders in a riverside town in rural China in the 1990s. An arrest is made quickly; clues push the policeman to dive deeper into the hidden behaviour of the locals.

即将大学毕业的阿坤（周游 饰）正站在大学和社会的分水岭上，他像所有急于驰骋的少年一样，迫不及待要好好闯荡一番。拿到驾照后，阿坤邂逅了自己的二手吉普车，本以为它会给生活带来新的可能，但它却将自己带到了人生的另一个路口。在这段荒腔走板的日子中，阿坤逐渐意识到了成长的代价和生命的无常。

Wu You is as carefree as his name suggests. He is single and lives with his nearly 70-year-old mother Zhang Baoxia. He joins an organization called Sunshine Club and becomes a senior partner, but his mother suddenly falls ill.