Xia Wuhuan, who has a dream of making movies but can only do wedding photography in Japan, accidentally offends a ninja organization and is threatened to shoot a promotional film for them with a female ninja named Yuzu. In the surprise and fright, Wuhuan sees the legendary "three ninja" unique skills, but the film shooting is involved in a conspiracy...

The film tells the story of Wu Xiaoyue, a kung fu girl who travels to Tokyo to pursue the dream of a girl group, but accidentally encounters evil extraterrestrial creatures and plagues the earth. In order to protect justice and the stability of the human world, she joins forces with Onmyoji Hisou and the rookie policeman Fujima