Based on the legendary Chinese folktale Kua-fu Chases the Sun in the scripture of Mountain and Sea from 4th century BC. As in the legend, the film, employing the language of dance, tells the wondrous story of a modern man on a daring quest to chase the sun. When the enigmatic creatures depicted in the book begin to infiltrate his dreams, he suspects that he has crossed paths with them.

In this non-dialogue tale, set along the coast of Vietnam, a mermaid is rescued from the fish market by a fisherman. As the hero carries her back to the ocean they are joined by two seahorses. Upon her awakening on the beach the mermaid performs a sensual dance. But her joy is short-lived: the waves have other plans.

A bird called Memory has forgotten how to come back home. Lua, a trans woman, searches for Memory in the streets, where she finds the city to be a hostile place.