Sparks came from damaged sections on Sweetie's right foreleg as she stood up to face height, the jaws of both other fillies having fallen open at the sight of her battered form. "This unit requires help."
The Cutie Mark Crusaders decide they need to expand their numbers, but things quickly go awry when their first target begins sobbing on the spot. Sweetie Belle soon finds herself roped into hanging out with the young colt.
Beset by the pressures of her coming-of-age, Sweetie Belle has secretly been turning to video games for relief from her insecurities. But when her unparalleled gaming talent earns her a cutie mark she never asked for, her life is thrown upside-down.
Sweetie Belle magically derails a science experiment, causing her to switch bodies with Rainbow Dash. They try to masquerade as each other, but the weather team needs help and Diamond Tiara, well, is Diamond Tiara.