One couple, who are happily married, are Tripathi (Sanjeev Kumar) and his wife Mary; the second couple is Geeta (Shabana Azmi) and Vinod (Vinod Mehra), who live in Vinod's mom's house. Theirs is an unhappy marriage with Vinod spending a lot of time with Leena (Prema Narayan), and frequenting late and all-night parties. His wife patiently awaits his return every night; And the third couple is that of Shobha (Moushumi Chatterjee) and Vicky Kapoor (Jeetendra), their's is a seemingly "happy" marriage, with Shobha being a very jealous and possessive woman. One day when she sees her husband and Radha (Tanuja) together, she thinks they are having an affair, and starts to ask questions. Suddenly their lives are turned upside down when Vinod decides to leave the house; Shobha leaves her husband, and Tripathi tries to make amends but it looks like these two couples are unable to compromise and adjust to married life.