In order to complete the undercover mission, Jiexie, who is willing to go to extreme lengths, becomes addicted to drugs and follows the boss to the docks to capture Hong Wenbiao, who is attempting to escape. Both sides immediately engage in a fierce firefight. Jiexie, who luckily escapes, is sent to a prison in Thailand, where the prison warden in control has intricate connections with Hong Wenbiao's brother, Hong Wengang. Achai, a prison guard whose daughter is suffering from leukemia, becomes suspicious of Jiexie's true identity. Later, he unintentionally discovers the terrifying secret within the prison...

Director: Cheng Baorui
Writers: Huang Ying, Liang Liyan
Starring: Wu Jing, Tony Jaa, Zhang Jin
Genre: Drama, Action, Crime
Production Country/Region: Hong Kong, Mainland China
Language: Mandarin, Cantonese