In the film "Floor 19," Chun Yu, a university student with a challenging family history, embarks on a thrilling adventure in a mysterious game called "Floor 19" that he cannot escape. Confronting his father';;;s coldness from an early age, Chun Yu and his group of friends, including the intelligent and calm Gao Xuan, the strong Doudou, and the cheerful Yang Bawan, all face numerous challenges and mysteries.

In the world of "Floor 19," Chun Yu and his teammates must overcome bizarre levels, from a "haunted building" with frightening puppetry to a deserted village where small leather statues pursue them. Chun Yu';;;s friends struggle to pass the challenges in various game stages, falling into a state of unconsciousness in the real world. In a critical situation, Chun Yu decides to explore the reasons behind their participation in the game and delve into the mysterious conspiracy behind it.

"Floor 19" is not just an adventure full of twists and dangers but also a jouey in search of truth and decoding the thrilling mysteries of the game.