One Swallow Does Not Make a Summer

The story follows Inga Brantemo, who embarks on a business trip to Italy, leaving her husband, Bertil, behind. During her absence, Bertil becomes romantically involved with Christina Lovén, the daughter of a book publisher. When Inga returns, Bertil faces the challenge of explaining Christina's unexpected presence in their home.

This film combines elements of comedy with themes of love, infidelity, and the publishing world. The cast includes Eva Henning, Hasse Ekman, Sonja Wigert, Lauritz Falk, and Gunnar Björnstrand, each contributing to the film's engaging narrative. The film's keywords highlight its holiday setting, the author's struggles, and the social dynamics at play during a business trip.