Yat yuk yat sai gai: Go dang fut siu mau gam yat gei is a 2015 Cantonese-language Comedy film directed by Christopher Sun. Yat yuk yat sai gai: Go dang fut siu mau gam yat gei was produced under the production house China 3D Digital Entertainment in collaboration with Sun Entertainment Culture. After being involved in a hit and run incident, a wealthy spoiled brat was sent to prison and must learn several tricks in order to survive the life inside. Yat yuk yat sai gai: go dang fut siu mau gam yat gei stars Gregory Wong in the title role along with an ensemble cast including Justin Cheung, Tommy Wong, Liu Kai-chi, Babyjohn Choi, Jessy Li and Kwong Leung Wong. The film has a running time of 108 minutes. It was released on 28th May 2015. The film made a box office gross of $7 million. Distribution rights for the movie were acquired by Newport Entertainment.