Six Suspects

Tenn Kong Hui is a private detective who uses his work to blackmail people. Tai Giok is a secretary working for the chairman of a steel company. When Kong Hui collects evidence against Tai Giok after their failed relationship, he discovers dark secrets of people associated with her. One day, Kong Hui is found dead in his apartment. There are five suspects but all of them have alibis. As the police seem to hit a dead end, a sixth suspect emerges
(Source: TFF)