"The greatest detective you've never heard of."
Vacationing on historic Nantucket Island, a teenage mystery writer and her friends must outwit two scheming thieves to solve the secret behind a legendary ghost story.
Bailee Madison
Annabelle Hooper
Robert Capron
Jake McFeeley
Mavrick Moreno
Billy Caufield
Juliana Harkavy
Lillian Caulfield
Gary Weeks
Burt Hooper
Whitney Goin
Meredith Hooper
Rachel Resheff
Maddi McFeeley
Kevin B. McGlynn
Argyle
Jamison Stern
Tweed
Mia Matthews
Prentice Beadle