Old fashioned teachers are taught swing dancing by a student.
The year is 1941 and Nazi Germany is at its peak. Hitler's army is storming into Russia. Sweden stands lonely and isolated while the air force is training intensely due to a coming attack. The squadron leader pushes his men at its hardest. It's a constant game with death where death unfortunately often wins.
Architect Sture Ahrengren walks out of his job with an architecture firm with the support of his wife Kristina. He gets a position with an old friend, Balstar Ekberg, who has a big engineering job going. But Sture gets entangled in a romance with Ekberg's wife, Helena.
