Rati Agnihotri plays a young girl from a middle-class family who meets a young man (Mithun Chakraborty), who is the womanising son of a well-known lawyer (Danny Denzongpa). After dating each other for some time, she finds that she is pregnant.However, he shirks his responsibility and refuses to marry her. She does not want an abortion as suggested by her parents and tells them that she wants to take Mithun to court.Her parents throw her out and 'disown' her, left alone she decides to bring Mithun to justice. She meets Rekha, a lawyer who works for woman's rights.
In the past, Rekha was Mithun's father's lover, and as a result she gave birth to a daughter. Rekha doesn't want the story to repeat again and drags Mithun to court. She win the court case and her quest for justice is rewarded in her favor. After losing the case, Mithun decides to marry Rati and give their illegitimate child his family name. Rati disagrees and decides that she can manage on her own and she doesn't need Mithun's support.
In the meantime, Rekha dies because of a heart attack. Rati promises her to take care of her daughter, and carries on her work.