Eiji and Karen, newlyweds, have moved into their new home. However, Eiji is away on a long business trip and will be out for a while... Karen feels increasingly lonely while her husband is away. Her neighbor, Haruko, becomes her confidante. Haruko's marriage to her husband, Fumio, is in a rut, and she envies Karen's newlywed status. After Haruko returns home, Karen is alone again when Eiji sends her some sexy lingerie...