THOMAS and his other three friends cooperate in breaking in a jewellery shop to steal. They succeed. Nobody notice. MAN and TAO are in the same team. They hurry to the jewellery shop. However, it is the O Unit to in charge of this case. CHUNG finds out that Thomas group has robbed four jewellery shops. The loss is over four million. WAl orders CHUNG to clear the case as soon as possible. THOMAS injects some virus into the computer security system. It disconnects all hotline. SUM orders all security guards to petrol overnight. SUM oversees the shopping arcade. The pickpockets steal SUM's wallet. SUM is slightly injured. CHUNG goes to see movie with FONG. ON the way he meets an old friend, KI. BUN and KEUNG are forcing KI to sleep with him in a hotel. They also attempt to slap KI. CHUNG stops them.