An explosive adventure!The Thea Sisters are in Hawaii to compete in the international hula festival. The mouselets are having a great time - until they learn that the festival is located on the side of a volcano that is about to erupt! No one else seems to know about the danger. The Thea Sisters don't have any time to lose!Meet the Thea Sisters!Nicky is always in a good mood when she's outdoors.Colette is energetic and full of great ideas.Pamela is a peacemaker who can't stand arguments.Paulina loves travelling and helping other rodents.Violet is detail-oriented and always open to new things.