With everyone working hard to get Seaside by the Seashore looking spiffy, Arlo elects to go the extra mile and fix up the old Ferris Wheel.

Arlo and Bertie investigate the case of the missing package, not knowing that a much larger mystery is about to command their attention.

Desperate to rescue Edmee, Arlo and his friends travel to the swamp, where they must battle a formidable foe known as the Bog Lady.