The Haunted House ride at Fun City is rumored to be haunted by the ghost of someone who died there, and when Samantha "Sam" Archer and her friends get trapped inside they need to find the truth.
While working as junior conselors as Camp Minnehaha, Burr and his cousin Barb investigate the disappearance of a small statue which is the traditional prize for the camp's annual contest.
Catholic-schooled seventh-graders Sophie, Margaret, Rebecca, and Leigh Ann help an elderly neighbor solve a puzzle her father left for her estranged daughter twenty years ago.
While learning to sail during a visit to his grandmother's at the Connecticut shore, eleven-year-old Tony becomes excited about the rumors of sunken treasure in the area and starts following a couple who seem to be making a mysterious search for something.