When the heroine of her favorite TV show mysteriously disappears moments before solving her biggest case yet, 12-year-old Delia Queen, the world's number one "Sara Slater SuperFan," is called upon to help. Del and her cousin AJ soon find themselves in the familiar worlds of the characters of Channel 16: The Imagination Station, in the middle of their own investigation to find Sara, and through doing so, help her solve the case.