One of the most captivating and sad love stories of the 20th century.

The story of the romance between the most celebrated singer of the 'Lost Generation,' Erich Maria Remarque, and the most famous 'femme fatale' of world cinema, Marlene Dietrich, told by them themselves - in the letters they wrote to each other.

Their relationship was not simple.

In them, flashes of passion and tenderness were too often replaced by misunderstanding, jealousy, distrust, and even hostility.

Their relationship was both necessary and painful for both Dietrich and Remarque.

It was bound to end badly - and it did.

But even now, the letters of the great writer and brilliant actress touch the depths of the soul...