Nancy Drew's latest involvement in a mystery begins in her home town and concerns a synthetic sapphire with a spider embedded in it, and the strange disappearance of Ned Nickerson.
The gift of an oriental rug with a coded message woven into its border and the disappearance of a Turkish client start Nancy Drew on a new search for a missing mannequin.
Nancy Drew and her friends go on a ghost hunting expedition and become involved with a gang of thieves who concentrate their activities on collectors of valuable shells.
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.
Eight-year-old Nancy Drew is thrilled to be invited to Deirdre's City Girls-themed sleepover party, but her investigative skills are needed when Deirdre's Hollywood Heather doll goes missing.