该片讲述了挣爆与大口环在香港特警训练中乌龙频出，误杀人质险被调回原职，为圆特警梦作弊重考却遭开除的故事。
Kent Cheng Jak-Si
Zhang Bao
Wong Ching
'Big Mouth' Wan
Liu Wai-Hung
Ray Lui
Chan Sir
Lung Tin-Sang
Danny Lee Sau-Yin
Shirley Kwan Suet-Lai
Sherman Wong
Parkman Wong Pak-Man
Yat Boon-Chai
Ricky Wong Chung-Tsu
Lee Sau-Kei
Jamie Luk Kim-Ming
Chow Gat
