Are there many people who neglect their former best friends due to career, marriage, etc.? There is no opportunity for us to get tired of being together every day. In order to prevent their lives from drifting apart, Li Fangfei, Zhou Zhuoran and Dong Qianqian decided to go on a girlfriends trip. Dong Qianqian's filial piety boyfriend Song Zhiyuan also joined the trip. The story of four young people encountering the apocalypse while traveling, trying to survive, adapt to their abilities, and return home.