What is the problem in cam jansen the mystery of the UFO?

In "Cam Jansen: The Mystery of the UFO," the main problem revolves around Cam and her friend Eric witnessing a mysterious flying object while at a local park. They must use their observational skills and Cam's photographic memory to gather clues and solve the mystery of what they saw. As they investigate, they encounter various suspects and potential explanations, leading to an exciting adventure filled with twists and turns. Ultimately, Cam's keen memory helps them uncover the truth behind the UFO sighting.