When Charlotte finds a beautiful, shimmering key on a busy sidewalk, she thinks its just a pretty trinket. She is wrong. Soon, her little sister, Stephanie, starts having terrible nightmares and strange creatures begin appearing in their home, all demanding the key. Charlotte discovers the key doesnt belong in her world. Its a lost artifact from a hidden realm, and its tied to the fate of a boy she has never met. To set things right, she must travel through a strange and magical land filled with dangerous creatures and mysterious allies.
With the help of a girl named Ursula, Charlotte must follow the keys guidance to find the lost boy and unlock a door that could save all the worlds or doom them forever. The journey is treacherous, and she is being haunted. If Charlotte fails, she may never find her way home.