Nancy and her friend Helen visit their friend Emily Willouby at the Lilac Inn, which Emily now owns, to help her plan her wedding. Emily plans on selling inherited diamonds in order to help fix up the Lilac Inn. However, Nancy soon learns that someone has been impersonating her and making expensive purchases under her name. Soon after, Emily's diamonds are stolen! Can Nancy find the thieves and recover the missing diamonds?

Nancy Drew tackles a mystery professional detectives failed to solve--finding a valuable centuries-old message in a hollow oak tree in Illinois.

When Nancy Drew and her friends arrive at Misty Lake, they meet pretty, red-haired Cecily Curtis, who seeks Nancy’s help in solving two mysteries. One concerns Cecily’s fiancé, Niko Van Dyke, a popular singer who believes that his record company is cheating him of royalty payments. The other invovles a family treasure hidden before the start of the Civil War; Cecily’s only clue is half of a gold locket. Nancy’s investigations...

A rare Chinese vase is stolen from a pottery shop. Nancy and the owner of the shop feel that locating "the leaning chimney" will provide the clue to the vase and other stolen articles.

Nancy Drew visits her cousin in Virginia hoping to locate a missing stained-glass window.

While solving the mystery of an old man's disappearing fortune, Nancy ends a family feud and reveals the identity of an orphan of unknown parentage.

When the eerie performances of a life-size puppet begin to haunt the old Van Pelt estate, where an amateur acting group – The Footlighters – have their theater, Nancy Drew is called upon to unravel the baffling mystery. From the moment the detective and her friends Bess and George arrive at the mansion, the dancing puppet puzzle is further complicated by Tammi Whitlock, the Footlighters’ temperamental leading lady, and Emmet Calhoun,...

When Nancy Drew and her two close friends arrive for the Emerson University June Week celebration and learn there has been a mix-up in their motel reservations, the confusion leads to a baffling mystery.
Uncle John Rorick, a descendant of the early settlers of the town of Emerson, invites the three girls to be his guests at his historic mansion on Pine Hill. Shortly after their arrival, he tells them about the phantom who haunts the mansion’s...

A fiery glowing eye in a museum, the abduction of Ned, the code name Cyclops, and a pilotless helicopter draw Nancy and her friends into a dangerous investigation.

Nancy and her friends become involved in a search for lost treasure.