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.
While visiting Aunt Molly at a fancy downtown hotel, Cam uses her photographic memory to help one of the guests find her stolen luggage and pet cat, and to catch the thief.
Cam Jansen 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 that has disappeared.
Ten-year-old Cam and her friend Eric investigate what seems to be a brief appearance of UFOs, but with Cam's photographic memory, and Eric's camera, they find there's more to it than an alien invasion.