Following eight members of the Grey family through their adventures, you witness mystery and fantasy of the highest nature. As Grace and Jason, the youngest two siblings go through a normal day, something changes when Grace finds an antique key on a dock in their hometown in Florida. This key leads Grace and Jason to discover a secret that their sibling had been waiting for the two of them to find for years. Follow the Grey family as they visit dangerous worlds, and explore realms filled with magic.