A couple, Asad-Shahana consider their friend Jaman's motherless child Sonia as their own daughter. After a road accident,dying Asad makes Shahana promise him that she would never leave Sonia. But the promise made to her husband becomes difficult to keep because of social obligations. Asad's father forcefully takes Asad's son with him. Shahana couldn't stop him even though she wanted to keep her son because of her promise to her husband. How can the promise be kept in such a cruel society?