Berlin 1932. Sala and Otto are thirteen and seventeen years old when they fall in love. He comes from a working-class family in the Berlin underworld. She is Jewish and the daughter of an eccentric family of intellectuals. In 1938 Sala has to leave Germany to take refuge in Paris, until the Germans invade France... while Otto goes to the front as an ambulance doctor, Sala is denounced and interned in a concentration camp in the Pyrenees where people die of hunger and disease, and those who survive are deported in 1943 to Auschwitz. Sala is lucky to be able to hide on a train bound for Leipzig. Otto will be taken prisoner by the Russians. Sala embarks on a long odyssey to get to Buenos Aires, but, despite the years that go by without seeing each other, they never forget each other...