About the Swedish author Agnes Von Krusenstjerna (1894-1940), during her turbulent marriage with David Sprengel. In a hallucination Agnes is brought to a mental hospital in Venice, carrying her fictitious autobiography.
Sture is a rich alcoholic who has taken a trip to Mallorca to drink himself to death. But he meets Sylvia and they start a relationship. Sture moves in with her in a middle-class community....