ICAC Investigator William Luk (Louis Koo) and JFIU Chief Inspector Lau Po-keung (Julian Cheung) both hit a dead end in their investigation of a bribery case and a money laundering case. In the meantime, William Luk was suspended when model Eva Ng (Stephy Tang) went to Inspector Kenny Ching (Kevin Cheng) of ICAC's Internal Investigation Group L, to file a report against him for accepting a $12M bribe. Lau discovered Luk was set up and whoever framed Luk was connected to his case. He began to suspect the bank manager Thomson Yau (Adam Pak) was assisting a gangster, Wong Hoi-wo (Patrick Tam) in money laundering activities. When Director Hong Liang (Ding Haifeng) of China's Anti-Corruption & Bribery Bureau (ACBB) provided Lau with important intelligence, it became clear the money laundering activities were connected to a corrupted Vice-Ministerial Level cadre. To clear his name, William Luk put everything on the line.