Nancy Drew and the gang set out to solve the mystery of their disappearing snowman, Sherlock, after her new friend Deirdre's fortune-telling predictions start coming true.
Despite warnings from a stranger, Nancy sets out for France to search for a flight of 99 steps which may help solve the mystery of a weird dream and a possible case of blackmail.
Nancy Drew and her friends Bess and George decide to investigate when they notice a lot of the performers with the circus are missing costume pieces and props.
Nancy takes up residence on an old clipper to find a clue to its missing figurehead. She is confronted with fire, theft, and other dangerous situations.
Nancy and her friends get to visit the TV studio where their favorite show is being taped, the strange sounds and creepy shadows have them believing the studio is haunted.