In a faraway sub-jail, Constable Arjun struggles to manage thieves and learn the ways of the jail from Jailer Anbuselvan. Outside the jail, a mysterious break-in leads to chaos in the silent town.

Hari, a man in the village, witnesses disturbing signs and coincidences that trouble his family. Meanwhile, more unusual thefts rattle the town, making everyone suspect each other.

Varghese, a coffin maker dealing with a troubled past and a failed marriage, becomes embroiled in the town's turmoil. Meanwhile, Arjun and Anbuselvan investigate the mystery of the undiyal money.

Arjun’s suspicions shift with each individual he encounters. The missing funds from the jail, online rumours, and new clues assist in piecing together the puzzle, yet the mystery remains unresolved.

A closer look into the lives of the town’s residents reveals struggles that could have pushed them to steal. Arjun’s job becomes harder, as he can’t draw a line between the victim and the culprit.

Arjun grows restless as the investigation leads to dead-ends and every clue comes with a twist. Anbuselvan urges him to be patient, but Arjun is confident the culprit is hiding in plain sight.

Arjun gets closer to a breakthrough, but a series of incidents leave the case shattered. Anbuselvan questions his ideals, while Arjun doubts his abilities. Can the two find the culprit in time?