A vulnerable Sirohi risks succumbing to the colonel's deadly commands. The survivors head to Betaal Mountain for an ultimate fight against the curse.

A squad member is found to be possessed by the evil colonel's spirit. As the threats inside the now-defenseless barracks grow, the zombie army approaches.

The group secures the barracks, but as strange deaths and disappearances continue, Sirohi presses Puniya for the truth about the casualties among them.

While displacing villagers to reopen a tunnel through a supposedly cursed mountain, officials face tribal resistance and an otherworldly attack.