Cheung Wai Kit joins the Police Cadet Academy school after graduating High School. At the Police Cadet Academy he meets 4 good friends that he goes through thick and thin with. He joins the Hong Kong Police force after graduating from Cadet school. His older half brother Cheung Ga Ming also joins the Hong Kong police force after graduating from University. Due to the stress and hecticness from work he begins to neglect his girlfriend Tse Wing Chi, she then finds comfort in his good friend and former cadet schoolmate Kiu Chi Ho. Who will she choose in the end?