"Liu Yue Ping (Chrissie Chau) reports to the ICAC about a rich 2G Cao Yuen Yuen (Raymond Lam) who bribed officers of the Hong Kong Correctional Services (HIKCS) from inside the prison. William Luk (Louis Koo) decides to infiltrate the prison as an inmate to conduct his investigation, while his partner Ching Tak Ming (Kevin Cheng) and Chief Inspector Lau Po-keung (Julian Cheung) back him up from the outside. Danger springs from all directions inside...

As one of America's most notorious prisons, Alcatraz has been a significant part of California's history for over 155 years. The small, lonely rock, known in sea charts by its Spanish name "Isla de los Alcatraces," or "Island of Pelicans," lay essentially dormant until the 1850s, when the military converted the island into a fortress to protect the booming San Francisco region. Alcatraz served as a pivotal military position until the early 20th century...