Spellbound is about the adventures of two young people, twin sisters who have known community and family their entire lives. Along the way, they befriend a mysterious stranger who has been alone for as long as he can remember. After strange events touch all their lives, the three find themselves drawn together and then embroiled in a plot to overthrow the Kingdom of Illyander by an ancient enemy long thought dead. As they journey through the world of Aronshae on their quest for answers, even more questions are raised as they find out more about each other, themselves and their strange emerging powers.