The fourth film of firefighter-turned-director Yang Shupeng, Blood of Youth follows a young hacker named Su Ang (Oho Ou), who anonymously tips off the police about the remains of a woman buried in the woods near the city of Hangzhou. Detective Zhang (Zhang Yi) discovers the victim was beaten to death almost two decades ago, and starts investigating the events that lead to her death.

Puff, grew up as a child spoilt by her parents. During the party celebrating her return from overseas studies, she had a romantic encounter with a young university student, it was love at first sight.