Determined to rescue Mack from the influence of their Shadow Fox enemy, Gabriella and her Changer friends attempt to break a curse that is preventing them from obtaining the magical protection they need to guard against the Shadow Fox's dark magic.
As Gabriella learns to control her shapeshifting powers, she discovers information about the Emerald Wildcat, a shapeshifter who used their jaguar powers to fight crime, and wonders if they could be related.