Asur - Season 1 Episode 4 Ashes from the past
Overview: The killer has always been a step ahead of Nikhil and Dhananjay. It's more evident than ever as Nikhil is now trapped in killer's custody and Dhananjay is behind bars. But what does the ruthless killer want? A perfect murder carried out by Nikhil himself! Meanwhile, Dhananjay finally figures out how it's all connected.