When her father disappears in New York City, Nancy goes looking for him and uncovers a mystery and a twenty-year-old murder. She must try to save her father without either of them being harmed.

Nancy investigates when the special effects on a movie set are mysteriously duplicated at the old Victorian house across the street.

Young sleuth Nancy Drew searches for the thief of her Labrador puppy's one-of-a-kind rhinestone collar.

Nancy investigates when an acrobatic poodle disappears from a circus.

When a new spa in town has its grand opening, Nancy gets tickets for herself and her best friends, George and Bess, to attend. However, it appears someone is tampering with the food and stinking up the business. Nancy is determined to sniff it out.

Nancy's friend George is competing in a grueling three-day mountain-bike race in Costa Rica. She and her cousin Bess will be there as a support team. But when Nancy finds out someone's taking dangerous steps to make sure top U.S. cyclist Derek Woodhall doesn't win, she realizes George may not be the only rider she needs to help.

Nancy finds that crime is all the rage with the Hollywood "in" crowd.

When designer jackets keep disappearing from the store, it's up to Nancy to crack the case and keep Bess from a broken heart at the same time.