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.

Fiona embarks on a journey to find her mother and unlock her selkie magic.

Fiona, Mack, Gabriella, and Darren are Changers, a magical line of shapeshifters that can transform into mythological creatures, from werewolves and selkies to lightning birds and spirit foxes. The Changers are reeling from the attack at Wyndemere Academy. Their new enemy, Sakura Hiyamoto, is a kitsune with a unique memory-eating ability, and she's after Mack. Mack doesn't remember much about fighting Sakura at Wyndemere, a fact which worries the...

War is waging between the Changer Nation and Sakura's army. It's the ultimate battle of good vs. evil. Meanwhile, Darren's brother has developed impundulu powers, Gabriella must deal with her own emotions, Fiona makes an attempt to unite the selkie faction, and Mack must stay on enemy lines, gathering intel. But when an ancient secret is revealed, at the very heart of the war, it just may be the end of the Changer world as we know it.