The gang investigates after Crystal Cove begins suffering from an infestation of cicadas that targets workers of the company Destroido, the company that makes Shaggy and Scooby’s favorite snacks. The cicada monster, made into one cicada shape out of thousands of cicadas, threatens to destroy Mystery Incorporated on the day of Mayor Jones’ Cicada Creature Festival if they do not stop investigating. At the end of the episode, Daphne goes on a date with Fred to the museum’s trap exhibit.