love triangle between Cheung Wai Kit and Kiu Chi Ho. Carina Lau 劉嘉玲 as Cheung Ka Man 張嘉汶 Cheung Wai Kit's half sister. They meet for the first time after Wai Kit goes to his father home looking for his new wife since she had a quarrel with his mother at a beauty salon. She is intrigue by her father's other family and is the only one seeking a friendly relationship with her half brother and his mother. She meets Wai Kit's friends Fit Lo and Ko Lo Chun by tagging along with him to a camping trip. Ko Lo Chun develops a crush on her but it's Fit Lo who she falls in love with and later marries. Sean Lau 劉青雲 as Fit Lo Ngai Fung Fit佬 倪峰 His name is Ngai Fung but everyone calls him Fit Lo because of his athleticism. He is the star pupil at the Police Cadet Academy. None of the other cadets like him in the beginning but they learn to respect him later on. He lives with his grandmother. He later falls in love with Ka Man. Her mother and brother are against the relationship due to his financially insecure background and his job as police officer. While investigating a case he gets run over by a criminal. He becomes cripple in one leg and goes into a coma. While recovering in the hospital Ka Man's mother sees how much her daughter loves Fit Lo and gives her blessing to the couple. On his wedding day Ka Man's brother shows his disapproval of him marry his sister by injuring his other leg. He leaves Hong Kong and comes back as a rich businessman later on. After his return to Hong Kong he marries Ka Man. Supporting cast David Lui 呂方 as Ko Lo Chun 高佬泉 Wai Kit's classmate at the Police Cadet Academy. His name is pronounced the same as "tall man Chun" in Cantonese which is the total opposite of his physical structure since he is short in stature. He does not graduate from the academy due to not being able to pass the physical test. Has a crush on Cheung Ka Man. Eddie Kwan 關禮傑 as Kiu Chi Ho 喬志豪 Wai Kit's classmate at the Police Cadet Academy. He comes from a well-to-do family. His uncle sends him to the academy hoping he can build up his courage and self