Young Cam Jansen and her best friend Eric spend the day at a local fair where they win two goldfish. But when the goldfish go missing at home Cam must solve the mystery.
On Green Day, Cam and her classmates discuss ways to protect the environment, but when money collected for the school's new skylights disappears, Cam uses her photographic memory to solve the mystery.
When a special autographed basketball is stolen from the recently retired coach of a local team, Cam Jansen uses her photographic memory to identify the thief.