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.