while on a expedition In The Mountain Skinner And Co. Find an ancient
magic Relic Which was used to trap Medusa .Burn take the relic out of medusa chest and deliver her from her stone sleep.then she goes on a rampage in springfield and turn everybody into stone except milhouse which was away in italia with his grandmother for 2 weeks...now the only one who can help him defeat medusa and bring back springfield to normal is comic book guy who has a good knowledge in greek monster comic books...