Arthur is a mental age of ten parents are going to find work, but eccentric he has been missing for many years, and was living with his grandmother in a state that, in two days, will be confiscated , torn down, and turned into a block of flats unless Arthur's he returned to sign some papers and pay off the family's debts. Arthur discovers that the key to success lies in his native land of the Minimoys in, creature no larger than a tooth, whom his grandfather helped relocate to their garden. Somewhere in which is hidden a pile of rubies, too. Arthur can be of stout heart and save the day? Romance beckons as well, and a lurking villain.