Feeling that her friends need some extra combat training and experience, Twilight signs them all up for a training regiment on Themyscira, the home of Wonder Woman and the Amazons. But while there, the CHS eight and their teammates find themselves defending the island when evil forces threatened to besiege the Amazons and their queen's home. Can the power of their lantern rings and the magic of friendship be enough to defeat the evil and save Wonder Woman's birthplace?