Henry so dreamed of being back in math class and dozing off from boredom while the teacher muttered! No more chases, magic tricks or dangers. But it was not there! As soon as the boy believed that his life would become the same, Hilda, Henry’s friend and part-time Valkyrie, appeared on the threshold of the class. Hilda claims that a new magical adventure awaits Henry! After all, the evil dwarf Alberich, who planned to take over the whole world, took up his old ways. Friends must prevent him from getting to the gold of the Nibelungs. But what if their new mission is just a trap?