WillBengers, who went on a fun camping trip with Sam's dad, head to a mysterious fox den, and the hunters attacking Mi-ho's family. Will they be able to save their father and friends and finish the camping safely?

A summer vacation special operation by Wilvengers, a beginner, trouble-making heroes. William and Bentley, who not only talk with animals but also eat dinosaur jelly and show extraordinary superpowers, dream of becoming superheroes. One day, Wilvengers, who went on a fun camping trip with Sam's dad, meets Mi-ho, a female fox with mysterious abilities at the playground, and becomes friends. The Wilvengers head to a mysterious fox den deep in the forest, learn the surprising secret of 'Miho', and the hunters attacking Mi-ho's family, putting everyone in great danger... Will the Wilvengers be able to save their father and friends and finish the camping safely?!.