The complicated relationships between characters and the beginning and end of events in the city. A money laundering criminal was escorted back to Hong Kong. The professional killer Qu (played by Daniel Wu) shot him and escaped. The mastermind behind the crime was Rao Tiansong (played by Luo Jialiang), the leader of the money laundering group, but his son was also abducted by other mysterious figures at the same time. The case begins to become complicated...