This is an automatically translated description

 Several hundred children died in a terrible fire that occurred in Kolkata under mysterious circumstances during the opening of a new railway station. Then the fiery ghost was fiercely looking for the twins Ben and Sheri. They were saved by Lieutenant Peak at the cost of his own life.

 Sixteen years have passed, and the demon has reappeared in the city. A mortal danger hangs over the brother and sister. What is he and what does he want from them? To solve this mystery, the twins must go back to the beginning. But the attempt to stir up the past will turn into a cruel discovery that will stun them both, because the book of life is sometimes dangerous to flip backwards....