A group of people work for the God of Death who controls human deaths. On the surface, they seem to be accidents, but in truth, they are behind the deaths. Pang Sam and Sum Yi do not know who the Big Boss is behind the company. Meanwhile, the CEO, Ms. So is fighting to be the successor of the company to get close to the Big Boss.
The story tells the story of a collusion between Hong Kong police and criminals in 1973, under the instigation of the British, they embezzled huge profits and poisoned the citizens. The Governor of Hong Kong established the Independent Commission Against Corruption (ICAC).