Many people think that the Grim Reaper holds a sickle and has a hideous face. Some even think that he has a notebook that determines people's life and death... But have you ever thought that the Grim Reaper may just be some ordinary people. They have no magic power and are no different from you and me. They are just a group of people, an organization, silently carrying out the task of death. The manager of the Hong Kong branch, Su Lizhen (played by Sonija Kwok), has three managers under her, namely Pang Sen (played by Pak Tin-nam), Xin'er (played by Annie Liu), and Baoling (played by Yuen Yee-man). It turns out that the task performed by the agency is to cause chain reactions of death events to balance the population. At the same time, Su Lizhen, who has been in office for a long time, announced her resignation. While Pang Sen, Xin'er, Baoling and others were eyeing the position of the manager for their own reasons, several new executives joined at the same time, but they all had unknown purposes, and a fight between the open and the secret seemed to be about to unfold. However, everyone did not know that they were actually trapped in a situation that could trigger countless changes in time and space...