Dutton saves MacLean's life after he is struck in the head by a still-moving propeller by transporting a doctor under dangerous flying conditions. MacLean is grateful and joins Dutton in a temporary partnership to help Dutton earn the seed fund for his airline. When Dutton rejects MacLean's warning about his girlfriend Emily Foster (Brenda Marshall), MacLean marries her in order to save Dutton from wrecking his life. Dutton, however, does not know this and abruptly ends their friendship. Dutton impulsively gives his savings to charity and enlists in the Royal Canadian Air Force.