Mou Min Kap Sin Fung, also known by its alternative title File Noir, is a 1989 Hong Kong action crime thriller television series produced by TVB and starring David Siu, Kitty Lai, Donnie Yen and Francis Ng.

[1][2] While investigating a tanker explosion case, news reporter Hau Man-wan (David Siu) suspects it as scheme for Au Chi-ho's (Kenneth Tsang) consortium to deceive insurance money.

At this time, Man-wan's good friend, police inspector Tse Kwok-tung (Donnie Yen), whose girlfriend, Candy, was recently murdered, suspects the culprit behind this case to be Au's underling, Lee Long (Francis Ng).

However, Kwok-tung was framed while investigating and was transferred to another department, with female inspector Hung Wai-ling (Kitty Lai) takes over his duties.

Later, Wan-wan decides to put his life at risk and go undercover into Au's organization in order to find out the truth, hoping to assist Kwok-tung and Fan on the investigation.