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. The film was released in China by Huace Pictures on September 14, 2016 and in Hong Kong on September 15, 2016. It is the second installment in a pentalogy, preceded by Z Storm (2014) and succeeded by L Storm (2018), P Storm (2019) and G Storm (2021). ()