In the tradition of One Sweet Race, readers are given a glimpse of the other Sugar Rush racers in short-story form.

After successfully escaping Miss Hattie, the girls settle down in Litwak's Arcade with their friends. Now that they're part of the arcade, Agnes is offered a position in Sugar Rush but there's a catch. In order to join Sugar Rush, Agnes must prove her worth as a racer. But can a four year old do it? Meanwhile, Margo and Edith search for their own games to join.

In a universe where super villains don't live among the public, Margo, Edith, and Agnes must find a different place to call home. In the meantime, they go to Litwak's Arcade, where they play games once a month. But one night, the girls get locked in and discover the hidden world of video games. Separated, can the girls reunite? Who will they meet? A certain core four?