The hidden journals are those found by Alistair in Opal's home in St. Augustine. Each story is unique.
Pressured by two bullies at school, Isandro takes them into his father's study in search of something he saw, something that he hopes will make the teasing stop. It's there they find a secret room and the voice begins. It calls Isandro, pulls him into its clutches, and he discovers what the secret room really houses. It isn't the only nightmare he faces. His parents have kept secrets from him that may cost him his very lifeblood.