S Storm is a 2016 Hong Kong-Chinese crime action thriller film directed by David Lam and starring Louis Koo, Julian Cheung and Vic Chou.

Despite pressure from his boss to leave the ICAC to their investigation, Lau instead suggests to Luk that they work together to solve the case.

The Police investigation leads to someone called Teacher, the biggest player who controls the illegal bookmaking on football betting in Hong Kong.

Terry Lun, the Security Manager of the Jockey Club also encounters suspicious bank transactions, but is murdered by Song.

After recovering the evidence, together, Luk is able to arrest Big Boss's partner Ha Chi Yin (Shek Sau), one of the directors of the Jockey Club who is the shoo-in candidate as the next Chairman.