BilboBagginstheHobbitwasjustmindinghisownbusiness,whenhisoccasionalvisitorGandalftheWizarddropsinonenight.Onebyone,awholegroupofdwarvesdropin,andbeforeheknowsit,Bilbohasjoinedtheirquesttoreclaimtheirkingdom,takenfromthembyanevildragonnamedSmaug.TheonlyproblemisthatGandalfhastoldthedwarvesthatBilboisanexpertburglar,butheisn’t....魔戒前传