Kathiravan, a major in the Indian army with anger management issues, is compelled by circumstances to borrow a loan from a bank with false documents. When the entire money in the account vanishes, Kathiravan tries to track down the scamsters, and it leads him to White Devil, a master hacker.
ADGP Mathew Manjooran, returns to work after a seven-month sabbatical, only to take voluntary retirement. His last day has him investigating a case involving triple murder, including a police officer. Soon a pattern emerges and each clue also links Mathew. How is the veteran police officer tied to the murders and who is the real villain?
Anna Thandavam, a big shot who arranges for contract killers, plans to murder Sivakkozhundhu, a cop. His plan goes bust after Vasu, a heroic young man, rescues the ADSP. Meanwhile, Thandavam also gets into problems with Vasu's family...
An extortion gang that murders businessmen kills a policeman working on the case. ACP Jayaseelan exterminates the gang by way of unofficial encounters, but the murders continue. What the cop doesn't realise is that the brain behind the crimes is lurking close to home.