

Anuradha struggles to sell her house for her father Ganesan's Alzheimer's treatment. As she solves a hacker crisis at her workplace, her father's hallucinations dangerously escalate.

Determined to save her father from the police, Anu covers up a murder. But, unfortunately for her, Paranthaman and Sudalai rope in an autopsy specialist, Dr Yesu.

The station receives a fax about three criminals on the loose in Chennai. Failing to find the murder weapon, Sudalai decides to meet Ganesan, posing a new challenge for Anu.

Anu with the dead woman, Malar with the hacker and Sudalai with a new murder - each one finds new clues. Who will take the lead in this pursuit of leads?

The criminal trio's presence at the crime scene puts Sudalai and his squad in a whodunnit dilemma. Meanwhile, Anu tries to access the hacked data, suspecting an impossible link.