6x18 - The Flying Doctors

David is getting a man to hospital who hurt his head. David finds out he's been in Vietnam but he doesn't want to talk about it. But he does have a heart condition and needs a by pass operation in Sydeny. He refuses to go though, he reckons he's got nothing to live for. He runs away from the hospital but then his daughter from Vietnam shows up. Apparantly he had no knowledge of her. She and David go looking for her father and finally they manage to locate him. After lots of dramas the man ends up in hospital, and when he sees he has a daughter who cares about him he decides to go through with the operation and he and his daughter leave for Sydney together.