Night and Fog Traditional Chinese is a 2009 Hong Kong film directed by Ann Hui. Based on a murder case that happened in Tin Shui Wai in 2004, the film attempts to raise awareness of some issues related to new immigrants in Hong Kong. The film stars Simon Yam and Zhang Jingchu who play the couple. It is the second and final volume of Ann Huis Tin Shui Wai series, the first one being The Way We Are.
Source: Wikipedia