The young couple, newly in love, Kurt and Lydia spend their first vacation together in Sweden at the picturesque Gripsholm Castle. You enjoy the carefree days far away from everyday worries and have fun with Kurt's best friend Karl, who visits the two of them in their vacation home. But when Lydia's pretty friend Billie comes to visit, Lydia senses that Kurt is threatening to fall in love with her ... - "Gripsholm Castle" is a cheerful, melancholy Tucholsky film adaptation by Kurt Hoffmann. Walter Giller and Jana Brejchová can be seen in the main roles.