Twelve year old JJ Jacobson convinces his mom to accept an offer for an all-expenses-paid, weekend vacation at the Barclay Hotel. Aside from wanting to spend some quality time with his mom who has been working a lot lately, he hopes to do some ghost hunting in the most haunted place in town. But when they arrive, they learn that Mrs. Jacobson and the other guests are prime suspects in Mr. Barclay's murder. Now, with the help of his new friend, Penny, JJ needs to clear his mother's name, track down the real killer, and meet a ghost or two along the way.