The useless boy (Uriah Shelton) accidentally opens the door to another world and is involved in a thrilling racial struggle: the warrior (Mark Chao) and the princess (Ni Ni) fight wits and courage with the barbarian army. Not only that, the two warriors who bear the fate of the country and race have to face fierce barbarians and giants, tree demons and other monsters waiting for their chance to kill. After many dangerous experiences, they have been waiting for the arrival of the legendary black knight...