Ex-Warden Tang Hon Chung is sent to prison after being convicted of corruption. Knowing Tang Hon Chung is familiar with the layout of the prison, Ho Chun tempts him to break out. The two team up and even plan to frame Big Roller. However, Ho Chun soon finds out that Tang has his own agenda and is forced to turn to Big Roller and Mak Kin Tin. They work with the new warden to expose Tang’s crookery.