Strauss (Fernand Gravey) loves music and has made it his life’s ambition. However, reality is cruel and he has to sit in the office and work for his boss in order to make a living. But with the help of his girlfriend, Porty (Luise Rainer), who has become his strongest support, Strauss comes to the café to play his compositions.
By chance, Strauss meets the famous singer Carla (Miliza Korjus), whose presence inspires Strauss and leads him to create many immortal hits. Porty is jealous of the relationship between Strauss and Carla, but when she sees how beautiful they are together, she accepts the reality. At the same time, Carla is touched by Porty’s high quality and chooses to leave….