This is a story of a woman whose life is like a kite whose string is cut off from the base. Madhavi (Asha Parekh) is an orphan living with her maternal uncle, who arranges her marriage with someone she does not know, so she runs away to her lover, Kailash - Prem Chopra, only to discover that she has been backing a wrong person. She returns home and she finds her uncle is dead. She leaves home and arrives at the railway station, and meets her childhood friend Punam, who is a widow now and going to her in-laws at Nainital with her son. On the compulsion of Punam, Madhavi agrees to accompany them to Nainital.On the way the train meets with an accident, and Punam is fatally wounded. Before death she requests Madhavi to travel to Nainital with the child and present herself as Punam to the parents of her late husband, who have not met her so far, to keep the promise given to the dead friend Madhavi starts for Nainital and meets the same person Kamal, who came to marry her. The real story now begins Madhavis unfettered life swims in the ocean of ncertainties-an atmosphere surcharged with emotion, love, hatred hopes and disappointments.