Elite Bangladeshi CIA agent Masud Rana – codename MR-9 – teams up with an American CIA operative to bring down an international criminal organization headed by a ruthless businessman.

A series of sudden murders unfold in the city of Varanasi, targeting prominent individuals. The escalating violence shocks the local police as they grapple with the growing list of victims. As the investigation progresses, an auto driver named Dulu Mia emerges as the key suspect. The police must unravel the mystery behind the serial killings and uncover the motives driving these tragic events.