Somna (Sadhana) lives a poor lifestyle with her widowed mom, Leela, in the mountainous region of India and Nepal. She makes a living working on the apple farm of wealthy widower, Kailash Nath Kaushal (Balraj Sahni), who also runs a mountaineering school, and has Amar Kumar (Sanjay Khan) as one of his students. Somna and Amar meet, fall in love, decide to get married with Amar's parents' and Leela's approval, with the marriage to take place shortly after Amar returns from a climbing expedition. A few days later, following an avalanche, they get the news that Amar and the other climbers have been killed. A devastated Somna is molested by Shamsher Singh, and Kailash comes to her rescue, he also offers to marry her when he finds out that she is pregnant. The marriage takes place, Somna gives birth to a boy, Bobby (Bobby), while Shamsher is arrested and sent to jail for 6 years. Kailash, who is unable to have children after an accident.