Thinking that Tung Man's failure is caused by him, Yeung Lung feels sorry and apologizes to Tung Man and they become good friends. After graduating from the Police Training School, Sun Man is posted to Tung Man's station. Despite his harshness in teaching Sun Man, Tung Man secretly helps him. Sun Man is assigned to work with Jin Pok, a timid and submissive cop. Feeling that Sun Man is arrogant, Jin Pok and Chow Chiu try to play trick on him. Their plot is discovered by the typist Wong Siu Yin who tells Sun Man to be careful. Knowing that they are not badly motivated, Sun Man pretends nothing has happened. Sun Man tries to make a match for Tung Man and Ah Oi. Yet, Tung Man does not have the courage to reveal his passion and misses the chance. In order to pass all his working experiences to Sun Man, Tung Man proposes to his superior to work with his brother……