Claire and Jean are lovers, but Claire's father opposes this union, because Jean is the son of a woman he once knew. Jean becomes a great singer, but doesn't forget Claire.
As soon as they arrive at the barracks, the new contingent reveals some characters who will give their officers a hard time. There is the handsome, resourceful man, the technocrat in love, the bootlicker, the "Jamaican" who only moves to music, the shortsighted man... and all the others. Sometimes...