Mary Kate and Ashley Olsen play as Abby and Maddie Parker br Abby and Maddie Parker have a problem with being blabbermouths, so the FBI sent them from Texas, to Washington, to Pennsylvania, then they go everywhere until the FBI is screwed by the Parker girls unacceptable behavior, their final location, Australia, fortunately, they did not mess up this time, they introduce new characters such as Katie, Shelby, etc.