Noroz, who belonged to the tribal areas, lived in a metropolitan city with his father and ten years old younger brother Gulzar. He drove taxi for ten years, collected three hundred thousand. He paid that amount to the girl's family, whom he loved and married, as Wulvar (a custom in some tribal areas where groom has to pay money to bride's family). Noroz asks Maryam to take care of Gulzar more than him, like her own child. After a few days of marriage, Noroz dies in an accident on roadside. Wazir Khan (father) wants to go back to village but Maryam stops him due to Gulzar's education and seeks permission to work in a factory for expenses. Wazir Khan watches a person from village who comes to see Maryam in factory to propose her, which she refuses. He then calls men from Maryam's family and in their presence it is decided to marry Maryam with Gulzar. After some time lapse, when Gulzar is about more than twenty years of age, he still calls Maryam as Sister in Law and Wazir Khan objects ...