When Planet Four, Starlight Gilgalad's home world, is invaded by the Darkist, she and her uncle Jake manage to escape to earth. Sixteen years later, when the portal they used suddenly starts working again, they are transported to the hideout of a rebel techie. Separated from her uncle, Starlight joins forces with several unlikely heroes in order to rescue her uncle and save the s. Faced against the Darkist, they found an organization call IDTA: The Interdimensional Traveling Agency and build the headquarters where no one can find them. As the first book in the series, IDTA presents the concept that every fact, story, idea, notion-everything-exists somewhere.