A family drama unfolds as a struggling schoolmaster anxiously seeks a good marriage for his daughter. His life takes a turn when he reconnects with a former student, Bablu, who falls for Minu. Bablu desires to marry Minu, but she is in love with Alok. Bablu helps Alok with a job, but Alok, initially uncouth, becomes infatuated with Rupali, a woman in Bablu's office known for her unpleasant nature. Despite Bablu’s warnings, Alok leaves Minu for Rupali, leaving her heartbroken and seeking revenge. To transform herself, Minu is aided by Bablu, becoming the modern and cultured Minoti. When Alok tries to win back Minoti, she rejects him. Minoti realizes Bablu is the man for her, and they ultimately marry.