Benjamin Au-Yeung Wai-Ho

A soldier-turned-high school teacher uses unusual methods to reach to a class of poor students, while dealing with a greedy entrepreneur and his gang of fighters as well as the government.

Insurance agent Shun is called to visit Tak's home to follow up on a life insurance policy, and shocked to see his son's corpse hanging above him. Shun begins to suspect Tak may have murdered his son for the insurance money.