The show centers on the famous author of a best-selling series of fantasy books who suddenly disappears, and a family of four finds themselves transported to the mystical alternate world that inspired her work. Once there, they are plunged into the middle of a war raging between rival magical forces, of light and darkness. Facing peril at every turn, the family must unravel a complicated mystery and uncover some astonishing secrets as they struggle to find their way home.