The Prince of Persia makes his way home to Babylon, bearing with him Kaileena, the enigmatic Empress of Time. But instead of the peace he longs for, he finds his kingdom ravaged by war and Kaileena the target of a brutal plot. When she is kidnapped and killed, her death unleashes the Sands of Time, which strike the Prince and threaten to destroy everything he holds dear. Cast to the streets, hunted as a fugitive, the Prince soon discovers that the Sands have tainted him giving rise to a deadly Dark Prince, whose spirit gradually possesses our hero.