Beldar and Sonja, a couple of thieves belonging to the legendary world of sword and sorcery, steal a precious stone shaped like a human heart in the gloomy crypt of the Order of the Thousand Eyes, an evil sect of powerful wizards. To flee the scene realize that the gem is cursed and sent them his spell. After losing consciousness, Beldar awakens in another world, metamorphosed into the body of a teenager of sixteen Madrid eaten by acne.