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At the break of dawn, Kodaikanal suddenly becomes a hotspot for a high-profile influential politician missing case. Veteran police officer, ACP Robert Vasudevan is called in to investigate.

Traveling back to late 80's the story unearths Sivakumar's dark past like a can of worms. In the present, Anita, the officer-in-charge of the case, begins to have second thoughts about Robert's eccentric ways of dealing the case.

Sivakumar dwells in torture in a dark and damp cellar. Robert takes a little detour to revisit a place that holds traumatic memories from the past. In Devi’s timeline, she takes an unexpected decision that will forever change Swarna's life.

An international school in town, keeps catches Robert's attention in his investigation. Heera from the NGO becomes a primary suspect.

A janitor from the school falls into the radar of Robert's suspects. Meanwhile, Sivakumar tries to execute his escape plan. In a mix-up of things, Robert ends up arriving alone to what could very well be the hideout of the kidnapper.

Robert has a face-off with Sumithran. In a strange turn of events the other abductor surrenders to the police. As the case is being closed and normalcy returns, Robert is being lured to a door from the past.