There are a particular class of Brahmins called Agradani, who are to be the chosen to perform the eating rituals on behalf of the dead. Poonnyo Chakraborty, a poor man belongs to the Agradani community lives with his family in a village. Local zamindar promises him to provide lands and money if Poonnyo lie down in front of the room where Zamindar's son is going to be born. In morning Poonnyo watches that zamindar's wife again gave birth to a dead child, soon he replaces the dead son with his new born baby. The baby grown ups as zamindar's son. Only Poonnyo knows that he is the biological father of the boy. One day a circumstances comes where he is forced to perform the funeral rituals for his own son.