The family travels everywhere in the United States, from Texas to a prairie town, and eventually has been moved to every geographic location around the world possible, with the single exception of Australia – thus the FBI (who by this time are getting absolutely fed up of having to constantly relocate the Parkers, and all because the sisters can't keep their mouths shut) send them to live in Sydney, where they are given the aliases Maddie and Abby. The girls have much trouble at first, especially fitting in with their peers. Two assassins named Mac and Sidney are sent after them after discovering their location by breaking into the FBI office.
The family travels across the United States, from Texas to a rural town, and is eventually relocated to every possible geographic location worldwide, except Australia. The FBI, frustrated with their constant relocations due to the sisters' inability to keep secrets, sends them to Sydney, where they assume new identities as Maddie and Abby. However, the girls struggle to adapt, particularly in integrating with their peers.