A cynical woman with a disfigured face—a hardened criminal—gets an opportunity to change her ways when she meets a sympathetic plastic surgeon. She leaves her old life behind, but soon her old friends catch up with her.
A police inspector tracks a notorious jewel thief, 'Diamond-Lasse,' to a hotel filled with eccentrics.
The Swedenhielms is an old aristocratic family. The head of the family is professor Rolf Swedenhielm. His three children Bo, Julia and Rolf Jr also live in the house. They also have an excellent house maid, Boman. Because of the family's extravagance, they are heading for bankruptcy. But perhaps their problems would be solved if Rolf was awarded the Nobel Prize?
