A rich, young beauty, Louise Durant, follows the man she loves and hopes to marry to Zurich where he studies violin at the conservatory. A piano student at the conservatory falls madly in love with Louise. The violinist loves his music first and Louise second. The pianist loves Louise first and his music second. Louise must ultimately choose which man she wants.
August 1944: proceeding with the invasion of France, Patton's Third Army has advanced so far toward Paris that it cannot be supplied. To keep up the momentum, Allied HQ establishes an elite military truck route.