A group of university students visits the Headquarters of the Government Flying Services (GFS). Aircrewman Officer II KO HO FUNG MATTEWS acts as a guide to brief them the equipments of helicopters. The rescue alarm goes off. FUNG returns to his post at once and joins his team in rescuing an injured person, who suffers bone fractures and been saved by some fishermen. KO YU CHEONG, FUNG’s father, has a second marriage. FUNG gets along very well with his stepmother and half sister, KO HO OI. When a couple is hiking on TUNG LUNG Island, the wife loses her step and falls off a cliff. Her husband suffers the same fate when he is trying to rescue her. FUNG and YIP CHING WAN BENJAMIN, who is a Pilot I, hurry to the spot on receiving the report. WAN, who is very experienced, locates the injured before long. Despite the treacherous terrain, FUNG and WAN manage to have rescued the couple……