Shortly after a jewelry shop robbery is reported, Senior Inspector of the Special Duties Unit CHIN HON-TO is summoned to the scene to lead the arrest-cum-rescue operation. TO and his teammates break into the jewelry shop, and are shocked to discover that the interior design is in no way consistent with the floor plan.

To arranges a hostage rescue training session for his team; Lai is asked to play the hostage, which he resents.

Sum is about to flee with Yueng and Cheung, but knowing that his son Chun Pau is suffering a medical emergency all of a sudden, he insists on visting his child first.

Knowing that the kidnappers have asked for a ransom of a hundred million dollars, Lai decides to call the police, but is stopped by his mother and sister; Lai turns to Hin for help, hoping that the two of them can trace the whereabouts of Tong.

Members of the Special Duties Unit have accidentally damaged Granny Cheung's vegetable field during an outreach training session.

SDU member Yiu-Cho introduces kung-fu fanatic Chan Lik-Hang to To without knowing that they have known each other for years; Hang goes to fight a duel with To.