When Dick, Wally, Donna and Garth awaken in an unfamiliar place, they find themselves face-to-face with their mentors: Batman, The Flash, Wonder Woman and Aquaman! Allied together against a common foe, the mentors and protégés must race against the clock to unlock the secret of their current predicament and save the planet from an alien invasion!

Written by Dan Abnett with art by Minkyu Jung, Brett Booth, and Norm Rapmund.