Dastan, a street urchin in Persia, is adopted by King Sharaman after showing courage. Fifteen years later, Sharaman's brother Nizam receives proof that the holy city of Alamut is supplying weapons to Persian enemies, and the princes â€" Dastan, along with the king's biological sons Tus and Garsiv â€" are sent to capture Alamut. Dastan and his friends breach the city and open a gate letting the Persians in. During the attack, Dastan fights a royal guard and takes from him a special dagger.