Yang Wutong, who was born in the 1990s and started working soon after graduating, is still at a young age, but what Yang Wutong often says is that his youth was buried in boundless loneliness by his own hands on the night when the college entrance examination ended. The heavy pressure of reality and past experiences made Yang Wutong feel that he was no longer young. What really aged was his mentality. After reminiscing about the past, Yang Wutong decided to embark on a journey to find youth. Let us follow Yang Wutong, Liu Fengchai, Li Jiayao, Gu Wen, and Ming Zhi to remember their youth and find themselves.