Gam gai SSS is a 2014 Cantonese-language Comedy Drama movie directed by Matt Chow. A prostitute (Sandra Ng) helps a former flame (Nick Cheung) adapt to a new life after his release from prison. Gam gai sss features Sandra Ng, Sandra Kwan Yue Ng, Louis Koo, Michelle Chen, Nick Cheung, Tony Ka Fai Leung and Xun Hei 'michael' Chan. The screenplay is written by Matt Chow. The film has a running time of 100 minutes. It was released on 30th January 2014. The movie made a box office gross of $40 million. A prostitute (Sandra Ng) helps a former flame (Nick Cheung) adapt to a new life after his release from prison.