Grace, Gretchen and Greer – three teenage descendants of Medusa who must unite and embrace their fates in a world where monsters lurk in plain sight. The triplets are now reunited, but their battle against the monsters of the abyss rages on. And as if training to become fully fledged huntresses weren’t enough, the boys in their lives are causing them problems. Can the girls face up to the sacrifices they must make in order to fulfil their destiny?