Man Ching (Kate Tsui) comes to Hong Kong from the United States in hopes of finding her mother, who turned out to be Lap Man's aunt. Man Ching then develop feelings for Lap-Man, even though she is aware of his girlfriend. Trying to get Man Ching off of his back, Lap Man challenges her to be a police officer at the Police Training School (PTS). Man Ching accepts the challenge. Yuen Ka-Fu (Kenny Kwan), Yuen Wai-Nei's brother, coincidentally just came to Hong Kong from Canada. He was expelled from a Canadian university, and applies to be a police officer. He meets Man Ching in the training.