In the midst of World War II, postman Ludwig Fuchs writes a letter to his former school friend Field Marshal Hermann Göring, urging him to work for peace. He is declared mentally incompetent. After the war, he struggles to shake off the stigma of alleged mental illness. Göring is executed. Fuchs forces the court to examine him: he vandalizes the lobby of Post Office 122 in Munich and is rehabilitated (with full salary compensation for lost years).

Gabriele is engaged to Rainer who goes to war in 1914. When her father loses all his money she agrees to marry the affluent Robert. Then she is notified that Rainer has been wounded, is dying and has asked to see her one more time.

The composer Carl Maria von Weber is on his way to Prague with his bride Caroline Brandt when their carriage is attacked by bandits. Fortunately, Count Enzio von Schwarzenbrunn rushes to their aid and puts the villains to flight. However, the noble host who invites them to his castle is nowhere near as noble as he suspects, having staged the robbery himself in order to bring the enchanting Caroline to his aristocratic residence in this clever way and get to know her better in this luxurious setting.