The Zac Power series has won the hearts and inspired the imaginations of children all over the world, Zac is sent on an exciting mission by the Government Investigation Bureau, the top secret organisation he is a member of. Zac is a 12-year-old boy who comes from a family of spies. Seemingly ordinary, he has a secret life full of extraordinary fast-paced adventures involving state-of-the-art gadgets and spy equipment.

Evonne was raised on a sunbaked, dusty farm in Australia, as the third of eight siblings. She is a descendant of the Wirundjuri people, who have called that land home for over 60,000 years. Her remarkable talent for tennis was first noticed at a nearby tennis club, and soon, the girl who once dreamed of a place called "Wimbledon" found herself playing on its center court.

While enjoying hot chocolate and scones with Duchess Wigtower, Princess Magnolia hears the alarming sound of the monster alert! A huge blue monster is menacing the goats! This isn’t a task for the delicate Princess Magnolia, but fortunately, she has a secret—she’s also the Princess in Black, and battling monsters is what she does best! Can she slip away, transform into her alter ego, and defeat the monster before the curious duchess uncovers her secret?