Brian McLean is a ruthless bush-pilot in Canada. He offers some other pilots an opportunity of earning a lot of money, but he marries the girl-friend of one of them. After listening to Churchills famous "Blood, Sweat and tears" radio address he and some other pilots decide to join the RCAF - and his superior is always the pilot whos girlfriend he has married. Due to this and the fact, that McLean doesnt like to obey he gets troubles.
