With the aid of her Taxi Cab Monster, Necrolai steals an ancient map, which lists the location of the powerful Fire Heart. The Rangers manage to copy it, and trek into the dangerous Cimmerian Forest to attain the item first. Will the team come together to overcome the quicksand and giant spiders, or will Xander's newfound "leadership" abilites lead them only to disaster? It may be up to Phineas to save the day! Plus, thanks to a magic accident, a cutout of a Heavy Metal legend comes to life in the Rock Porium!