As students in Lucknow start going missing, the STF team headed by Abhay starts probing the case. Their investigation leads them to a twisted serial killer. Meanwhile, a school bus is taken hostage by a peculiar looking person.
The dead body of sub-inspector Maninder Singh is found in a canal with a missing foot. Abhay's inquiry leads him to Saloni, a sex worker. But is Saloni behind Maninder's murder? If so, what is her motive?
A reporter who is pursuing the case of the missing children and bashing the police force for its inability to track down the hijackers. Abhay receives a hint towards the location of the kids. Who is the villain behind these kidnappings?
The kidnapper, now in jail, gives Abhay 12 hours to solve a case of missing women and also provides him some clues, in return for a kidnapped child. Is someone helping him from the outside?
The kidnapper asks Abhay to find a car in 48 hours, in return for 2 children. This leads STF to a woman who's husband in multiple marriages keep dying. What is the motive of the kidnapper and why is he playing games with Abhay?
