The film follows several disaffected youth in the fictional Thirteen Princess High School in Chengdu. Feng, the film's protagonist, is a short-haired tomboy who has a love affair with the jock, Taotao. With the arrival of Bao, a student from Beijing, Feng finds herself gravitating to the new presence.

A gourd island where ancient civilization and future technology coexist. Gulu, a cute little mermaid in distress, is rescued by a human boy, Fishball, and so begins their intertwined and interesting lives. A journey full of thrill, fantasy and joy is about to begin. Can the little mermaid escape from the traps? Can the little mermaid escape from all the traps? How will Fishball protect the juggling elves from the ocean?