Stefan Radetzky, a Polish pilot and famous concert pianist, is hospitalised in England from injuries sustained while in combat, and having lost his memory. As Radetzky plays the piano in a trance-like state, the story moves back in time to war-torn Warsaw. During an air-raid, Radetzky meets American journalist Carole, and there is a mutual attraction. Following the fall of Poland, Radetzky and Irish pilot, Mike, escape to Rumania and then on to America. Radetzky continues his musical career in America and meets up again with Carole.

En Polonia, durante la Segunda Guerra Mundial, un joven pianista huye de su país para continuar su carrera profesional. Al poco tiempo conoce a Carole Peters, una periodista estadounidense de la que se enamora y con la que viaja a Inglaterra. Pero, al llegar allí, se alista en un escuadrón aéreo polaco y vuelve a su país para rescatar a sus camaradas. Carole no duda en acompañarle.