A trail of cyanide poisoning! Will Abhay be able to decipher this crime and identify the serial killer or will he be distracted by Govind who is back to seek revenge?

Abhay’s twisted relationship with Natasha hinders his investigation of a psychopathic killer. The mind games of Natasha and the cigarette-burn killer takes Abhay away from his family. At what cost will Abhay solve these murders?

Abhay has only 48 hours to catch the butcher. Abhay is under immense pressure as the chase to expose the villain begins. Will Natasha help or hinder Abhay’s hunt for the killer?

A butcher from Uttar Pradesh slaughters people and flings their body parts in different areas of the town. A lack of evidence and clues make this a tough case to crack. Will Abhay be able to catch this butcher or will he get trapped in Govind’s vicious plan?

A glimpse of Abhay’s past explains his current paranoia. In the meanwhile, a disgruntled teenager goes on a killing spree. Will Abhay get caught in the crossfire between a dreaded gangster, the psychotic teenager, his hot-headed colleague and his ethics?

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 big night that Mrityu and his cult have been waiting for finally arrives, and Abhay must stop them from carrying out their dreadful plan. However, he must first face his demons.

Abhay heads to Delhi to investigate the assassination of Sharda Tai at the hands of the second infinity killer. As the STF tries to find the killer, a manuscript arrives and spins the investigation in another direction.

Abhay goes in search of the perpetrators responsible for the disappearance of several people from the highways connecting NCR to the neighbouring states. The arrival of a mythical comet stirs up a dark storm.

Abhay's drone surveillance leads him to the killer's hideout, where he finds clues to his next victims. While Avatar puts his plan into action, Abhay prepares himself for the ultimate battle.

Abhay manages to locate the kid the Villian had led him to. But does he manage to save him? The Villian once again promises to give Abhay the location details of two more kids if he can nab the murderer of a couple that was killed in a car crash in 48 hours.

While Abhay, his team, and the police look for the insane 'Infinity Killer', Mrityu's cult puts its dangerous plan into action. As the STF members find their own lives at risk, Abhay emerges as the protector of the city.

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?

When an insane 'Infinity Killer' starts to murder people, Abhay begins a city-wide manhunt. The pursuit for patterns brings before the STF a new person called Anant, the head psychiatrist from a government asylum.