During WW I, Muni is a French pilot with a reputation for getting his observers and gunners killed. Other members of the squadron refuse to fly with him, but along comes Hayward. The two men become fast friends and successful flying partners, and for a time it looks as though Muni's jinx
is broken. Complications arise, though, when Hayward falls in love with nurse Hopkins, not knowing that she is Muni's wife. Eventually the truth comes out, but before the men can settle their differences, they are called into the air once more. They become embroiled in a desperate air battle, and
when the plane limps back to the aerodrome, Hayward is dead and Muni badly injured. He...