Tanhaji is an action epic about the titular Maratha warrior and Shivaji's military commander who lost his father in a battle and grew up to become a fierce warrior with powerful combat skills. When Mughal emperor Aurangzeb recruits his trusted guard Udaybhan to take control of the Kondhana Fort, Shivaji decides not to engage Tanhaji whose son is going to get married soon. However, as Tanhaji learns of Udaybhan's heading towards the fortress, he decides to take charge and stop the rival army from reaching their destination. This doesn't turn out to be easy as Udaybhan finds himself helped by people who don't want Tanhaji to succeed, resulting in battles and attacks that ensue as the plot unfolds.