The prototype of Anti-Corruption Storm Z Fund is a real major corruption case on Hong Kong Island. The theme of this film is the anti-corruption struggle of the Independent Commission Against Corruption (ICAC). It tells the story of Qi Xin, an ICAC investigator led by Louis Koo, working together to bring the criminals to justice. The film is based on a real major corruption case in Hong Kong Island, involving eight seconds traveling around the world to launder money, sexual bribery and how to bind senior government officials, boldly touching the corruption problem of high-level politicians.