King-Fung, Ming-Cheung, and a few other sergeants receive a letter that tells them they will be training for the Police Tactical Unit (PTU). During the time at the training camp, Ming-Cheung tries to screw King-Fung over. During the training Pak-Kiu and Lap-Man always get into arguments, their behaviour then noticed by King-Fung, Ming-Cheung. One day Lap-Man tells Ming-Cheung that King-Fung no longer holds a grudge against Man-Shing and that everything is back to normal, Ming-Cheung then becomes all friendly to King-Fung.