Nandakishore, a scientist spends all his savings to build a modern laboratory with all the latest instruments so that he can carry out all his research work.He also marries an uneducated rusty Punjabi girl who is half if age called Sohini.Within a year of his marriage, Nandakishore dies while carrying out an experiment. But before he had passed away, he had made Sohini understand what the lab meant to him and an able person should run the lab in his absence and Sohini must see to that.

 

Nandakishore and Sohini had a child Nila.As she grows up, Sohini shelters her extremely and also tries to find an able person to run the lab. Professor Manmatha Chaudhuri, an acquaintance refers Rebathi Bhattacharya, his ex student to her. She speaks to Rebathi and appoints him as the person in charge of the lab. However she asks her daughter to stay away from him as she wants Rebathi to be completely focused on the lab.Nila is also no ordinary girl and she uses all her womanly charms to win Rebathi over. From then on, it becomes a game of upmanship between the mother and the daughter. When Rebathi goes to Ambala for a few days, Nila seduces Rebathi one night and even wins him over. They decide to get married.Nila does all this because she wants her father’s property and she decides to go to court with this matter. She makes Rebathi the president of the local club and he decides to throw a party to celebrate the occasion. On the day of the party, Nila arrives at the party and asks Rebathi about the money in the lab account. He is unable to say anything as the party is being sponsored by the money from the lab account. He is dismissed by Nila.