Jojo, a five-year-old orphan born with the ability to talk to all things, loses her mother on a rainy night and is recognized by the current Regent King, Preston, as his biological daughter. Using her psychic abilities, she repeatedly solves mysterious cases, uncovers the truth of her mother's murder, clears the names of the wrongly accused, and outwits aristocratic families and palace villains, ultimately becoming the cherished Princess Everly, the little lucky star of the entire dynasty.