In a Time of Princes and Peasants

When young princes of Asgard and their companions are sent to Medival England by their father to rid the land of a vicious beast, they are constantly butting heads. But when a young mortal girl falls into the middle of their quest and they are cut off from Asgard, how can the two brothers manage to join forces and complete the quest? (Takes place before the movie "Thor" - OC)