A light piquant and amorous story about the relationship between a man and a woman. The events take place in an ordinary family. Having made sure that the house will be empty, the husband and wife arrange a meeting with their lovers. Anna, a young maid, happens to be in the center of the event. Now it is on her shoulders to unravel a rather delicate situation. Anna will have to show miracles of ingenuity or the perfect marriage will crumble before her eyes.