Act of Hell tells the story of Narkrow. It’s a term for an individual who serves antak, also known as Yamraj. He acts as a contract killer, bound by an agreement with hell to carry out its orders without question. He cannot kill anyone without antak’s command, and if he does, he must face severe consequences.

Narkrow is described as a wolf among sheep, possessing no supernatural powers other than immortality. Although immortal, his body ages like that of an ordinary human — he can appear as young as 25 or as old as 75. With every successful completion of an order of hell, he becomes two years younger. Yet, this so-called immortality is not a gift, but a curse.

In ancient indian belief, when a person’s sin pot becomes full, it is said that god descends to earth to punish them. The highest level of the sin pot is 10. if someone surpasses this limit, an Order of Hell is issued to Narkrow, commanding him to send the sinner to hell.

However, if narkrow violates the rules and kills without sanction, he must pay the price. His age is then determined by the difference between the victim’s remaining sin pot and the maximum level, causing him to age rapidly. Should he repeat such transgressions, he eventually reaches the peak of his mortal body’s age — 75 — leaving him too weak to complete the orders of hell, doomed to live out his days in pain as an old man.