When Barry, Kara, and their friends get sent to an unknown place by an alien, what secrets will be revealed.

When an odd group of people arrive, and Kara starts acting strange the casts of glee season 3 and supergirl are transported to watch... Kara's high school years?! And who's Marley? Why does an Adam look-alike and some other guy keep glancing at Kara? Why does the Marley look-alike look like supergirl? Seriously, WHO THE HECK IS MARLEY?!