Cam and her friend Eric chase the thief of Aunt Katie's wallet through an amusement park and find themselves involved in another case requiring their special detective skills.
Junior sleuth Jeffrey Bones and his grandfather enjoy a day at the amusement park until their tickets to ride the giant roller coaster mysteriously disappear.
Fifth-grader Cam uses her photographic memory, with help from her friend Eric and his twin sisters, to solve the mystery of Poochie, a famous canine television star.