When his new father-in-law, King Harold falls ill, Shrek is looked at as the heir to the land of Far, Far Away. Not one to give up his beloved swamp, Shrek recruits his friends Donkey and Puss in Boots to install the rebellious Artie as the new king. Princess Fiona, however, rallies a band of royal girlfriends to fend off a coup d'etat by the jilted Prince Charming. - When Fiona's father and King of Far Far Away passes away, the clumsy Shrek becomes the immediate successor of the throne. However, Shrek decides to find the legitimate heir Artie in a distant kingdom with his friends Donkey and Puss in Boots to be able return to his beloved house in the swamp with the pregnant Fiona. Meanwhile, the envious and ambitious Prince Charming joins the villains of the fairytales plotting a coup d'état to become the new king.