Actor Mohit Raina, who will be essaying role of Havildar Ishar Singh in "21 Sarfarosh: Saragarhi 1897", says the upcoming television show narrates an "extraordinary story of an ordinary person". "21 Sarfarosh: Saragarhi 1897" is a fiction show inspired by the real life story of 21 brave soldiers of 36th Sikh regiment of the British Indian Army who defended an army outpost at Saragarhi in the North-West Frontier Province against an onslaught by over 10,000 Pashtun and Orakzai tribals in September 1897, a statement said.