Liu Yue Ping reports to the ICAC about a rich 2G Cao Yuen Yuen who bribed officers of the Hong Kong Correctional Services (HKCS) from inside the prison. William Luk decides to infiltrate the prison as an inmate to conduct his investigation, while his partner Ching Tak Ming and Chief Inspector Lau Po-keung back him up from the outside.
P Storm is a 2019 Hong Kong action thriller film directed by David Lam, and starring Louis Koo, Kevin Cheng, Raymond Lam, Gordon Lam and Chrissie Chau. The fourth installment in a pentalogy, preceded by Z Storm (2014), S Storm (2016) and L Storm (2018), Koo reprises his role as ICAC principal investigator William Luk, who goes undercover in prison to investigate a case of corrupt prison officers receiving bribes. The film was released on 4 April 2019.
