A down and out cop lands the case of a lifetime when four suspects are nabbed in the assassination attempt of a prime time journalist. The case turns out to be a devious maze where nothing is what it looks like. The pursuit of it leads him to the dark netherworld - the 'Paatal Lok', and to shocking discoveries in the past of the four suspects.

Inspector Hathi Ram Chaudhary, the haggard, unlikely hero, investigates a high-profile murder case that leads him to remote corners of North-East India, where he battles powerful forces and personal tragedies in his pursuit of truth.