In 2000, the tranquility of Lanhai City was broken by a big explosion at the port, and subsequent disappearances occurred frequently. In 2005, detective Lin Yufeng traveled to 2020 while tracking a suspect, where he discovered that policewoman Su Yue was actually his daughter. Her name was changed due to the death of his wife and her daughter's amnesia and being adopted. Many characters in the old cases are involved in complex conspiracies, and cases are emerging in the new time and space, with the mastermind behind the scenes secretly controlling them. See how they break through the darkness and usher in the light...
