After 200 years, the Mitra family's goddess awakens on Nagpanchami, her return casting a shadow of impending doom.

The Nagpanchami festival's disruption summons a deathly procession, but Abhirup defies all to continue the puja.

Rajnandini's suspicions about Abhirup deepen when another unexpected attack strikes.

Chaos ensues when Abhirup succumbs to a snakebite, while Rajnandini spots a woman lurking in the darkness.

Rajnandini unearths a long-buried truth. As the Curse of Bishohori unfolds, she traps the true instigator.

As the past resurfaces, the Mitra family's sins unfold. But who has become Bishohori's venomous harbinger of doom?