At the break of dawn, Kodaikanal suddenly becomes a hot spot 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 cellar. Robert takes a little detour to revisit a place that holds traumatic memories from the past. In Devi's time-line, she takes an unexpected decision that will forever change Swarna's life.
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.
