The Orion android is missing and the spaceship Orion is malfunctioning. The MIBs are hot on the trail of Megan and her friends. As Megan and her crew try to figure out how to fix Orion, an unknown spacecraft is spotted headed for Earth. Megan and her friends must figure out how to fix Orion and elude the MIBs all in time to save the Earth from the impending threat of the incoming spacecraft of unknown origin.