Sena (Sathyaraj) took to rowdyism as a young boy in order to feed his brother Vikram (Aravind Akash). Vikram hates rowdyism and wants Sena to stop his activities. There is a gang war between Mastan Bhai (Anandaraj) and Naaga’s (Chandrasekhar) gangs. Sena works for Mastan Bhai, and Mastan Bhai considers Sena as his best henchman. Naaga, who was Mastan Bhai’s former right-hand, wants to kill him. Vikram is in love with Janu (Charulatha), who is the sister of police officer Sathya. Sena is close to Sathya. Later, Sathya is killed by Mastan Bhai’s henchmen and Vikram wants to punish the culprits. What transpires next forms the rest of the story.

An undercover cop becomes embroiled in a battle with warring criminals who want to acquire a “black box,” their ultimate key to a treasure.