A man struggles to deny his attraction to his twin brother's new bride.

Chakravarthy, a new CID officer, lives in Bhanu's rental house. Bhanu hates the police department so Chakravarthy lies about his job. His superior reveals that Bhanu killed her half-brother Boopathy. Chakravarthy begins to investigate in this odd affair.

Alex, who is a honest cop, gets his whole family brutally murdered and himself executed by a terrorist leader, Jupiter. Later scientists resurrect Alex by exhuming Alex's body, replace most of his body with cybernetics, leaving his human brain and he becomes Sivan. Sivan, assigned to Alex's former city, proceeds to efficiently rid the streets of crime. Finally Sivan to face Jupiter to Clean the city & to avenge his family..