The story of Mahulbanir Sereng is a story revolving across the triangular love story of Aghore (Pijush Ganguly), along with his spouse Saheli (Chandrayee Ghosh) and Dr. Alaktak Roy (Shilajeet Majumdar). Aghore is a police constable who works in a unique place so he typically stays out of hometown, in the meanwhile his spouse Saheli will get nearer with the brand new younger physician of their village.