After inheriting their biological mother's house, orphaned twins Shalini and Meera are torn between two choices: move into the house to unravel the secrets of their past or stick to the comfortable lives they've built for themselves. Soon after Shalini and Meera move in, strange occurrences begin to disrupt their new life.

Shalini organizes a prayer ceremony in their family's inherited home to cleanse it of any unwanted energy. But startling realizations begin to surface - courtesy of Bima, the caretaker who's silently guarded the house for over three decades. The twins quickly realize that Bima may know far more about their family's history than he's let on. The family's world is thrown into chaos when Viknesh mysteriously disappears.

The family is left reeling after Viknesh is finally found, but the aftermath only raises more questions among them. Tensions between Adhitya and Meera boil over and Meera spirals into paranoia, haunted by disturbing visions of looming danger. Determined to uncover the truth behind his son's disappearance, Adhitya's suspicions fall on Bima.

Viknesh is involved in a horrific accident, leaving Adhitya in a state of shock. Just before the tragedy, Viknesh drops a cryptic hint about a sinister figure who may have been lurking in Shalini and Meera's lives long before they were even born.

Adhitya's world begins to crumble as the weight of Viknesh's accident pushes him closer to the edge. Consumed by guilt, his grip on reality starts to slip. Shalini, determined to shield him from a complete mental breakdown, chooses to uphold a dangerous lie. Meera allows a stranger into their home, where he begins to dig deeper and it becomes clear that the answers may lie with Bima.

Pasupathy reveals a glimpse of Meera's family's dark history, leading her to discover that the house they now call home once witnessed unspeakable torment. Long-buried secrets about her family finally come to light, forcing her to confront chilling truths she can no longer escape. Adhitya decides to take matters into his own hands.

With Adhitya's mental state rapidly deteriorating, Shalini takes decisive action to get him the professional help he needs. Meera, sensing the growing danger and fearing for her family's safety, is convinced they must leave the house before it's too late. Bima struggles with the vow he made to protect the family until the very end.

As Shalini wrestles with Bima's death and the unsettling changes tearing her family apart, she starts to question Meera's motives. Kamini falls deeper under the control of a spirit, forcing Shalini and Meera to face the horrifying truth-they must battle a force far more powerful than they imagined.

Meera reflects on the events that have led them to move into their biological mother's house and realizes that something is amiss. Adhitya receives a sinister message from a patient at the mental facility, forcing him to question everything he thought he knew about his reality.

Meera's reality shatters as the horrifying truth about the events unfolding within her family comes to light. As the pieces finally come together, she is forced to confront a darkness that has been lurking within her family for years Realizing there's no time left, she faces an impossible choice: make a drastic decision or risk losing everyone.

When Meera arrives in the desolate village of Seminur, she is met with an unsettling sense of abandonment and decay. An encounter with a distant family member unveils the true origins of the darkness that has plagued her family for generations. Determined to finally free her family, Meera prepares for a battle she may not be able to win, as she quickly realizes that the forces aligned against her are far more powerful than she ever imagined.