Season 1

Journalist Chandrashekhar (Prateik Babbar) is chasing down a lead in Kerala when he bumps into Vaishali (Anindita Bose) after being rescued from a strange weather occurrence. Meanwhile, Meenu (Sonal Chauhan) is discussing her night school student and police informer Gopal's disappearance with her friend and police officer Hassan (Jatin Goswami) when he is called in to office to get some disturbing information about an upcoming snowstorm.

Das calls on Pant moments before another natural disaster strikes. Meanwhile, in some morbid lab, a sadistic doctor is seen toying with young lives. Meenu shares her concern about Gopal with Hassan who promises to send his best officer, Sukhdeep Singh, to help. Chandra and Hassan go to Kala Mill where Gopal was last seen and make some serious discoveries.

Another city is struck by the acid rain. Gopal and Bashir try hard to escape their kidnappers. Hassan goes to see a professor in jail and uncovers a possible plan of assassination. Das asks Pant to acquire the video found on the mountaineer's phone.

Vaishali confronts Dharma for lying to her. Meenu chases Pagal Bhai to uncovers his true identity. Chandra, Meenu and Hassan attend Dharma's fund raiser where an uncomfortable situation arises for Dharma and Chandra

With the help of Gopal's plan, one of kidnapped children escaped. Video recorded of avalanche help in getting the clue. Amid tight security, hitman targeted Dharma's wife.

Dharma got Vasundhara arrested for Vaishali's murder. Chandra gets some evidence from the data center before someone set it on fire. Professor confronts Hassan.

Chandra, Meenu and briefs Dharma about Omega corp and its owner Uday Bhan Khatri. Chandra and Meenu went to Bhutan to meet Uday but find themselves in the middle of the whole conspiracy.

Chandra with Gopal infiltrate the lab. Meenu find Hassan as captive in lab. They uncover that Dharma with Uday is behind all this.