Based on the true events that revolve around the lives of mine workers in the Kolar Gold Fields, Karnataka. During the British rule, Thangalaan, a fierce tribal leader, and his tribe assist Lord Clement, a British General, to trace gold in their village. While searching for the gold, the villagers earn the wrath of Aarathi, an apparent sorceress, who Thangalaan sets out to stop with all his might.