Rajib Chowdhury marries Momota and at the night of their marriage Rajib get sick. Rajib friend Doctor Arif confirms Rajib's father about blood cancer. Rajib dies and his brother Rakib Chowdhury and his mother insults Momota and gets out from the home accusing to have affair with others. Momota and his son is taken care of by a vagabond person. Dipok becomes engineer and joins his friend's firm. His Uncle Rakib Chowdury becomes his first business competitor who does not know him and offers to join his firm. Dipok joins his office to take revenge of the insult of his mother and takes down Rakib Chowdhury from his position.