Nikhil Nair who was once a trusted and diligent officer working for the CBI, has now changed his profession into becoming a teacher. Things how bring him back to his cops duties as a vicious serial killer is on the loose and has wrecked havoc in the lives of people in Varanasi. He joins forces with his ex-mentor Dhananjay Rajput to solve the mystery of the gruesome murders and bring the killer to justice. The series is directed by Oni Sen. It is written by Gaurav Shukla, Niren Bhatt, Abhijeet Khuman and Pranay Patwardhan. The star cast includes Arshad Warsi, Barun Sobti, Anupriya Goenka and Ridhi Dogra.