Kathiravan raises three orphans—Sathya, Surya, and Shiva—as his own, grooming them to unknowingly support his illegal mushroom drug empire. Despite being used as pawns, the trio remains loyal out of love. After killing his former boss and seizing control of the business, Kathiravan earns the wrath of Radha, the boss’s widow, who plots revenge. Meanwhile, Varsha, a local woman and love interest of Sathya, plans to transfer her estate to its workers. Threatened by this, Kathiravan manipulates the employees, turning them against her. As Varsha’s life hangs in the balance, Sathya and Radha must confront Kathiravan—leading to a climactic reckoning.