A summer of madness is about to begin when mischievous Junior, now a troublesome child, finds himself trapped in the most unusual summer camp one could imagine. After a complicated school year filled with pranks and antics that have made him a legend among his peers, the little rebel unintentionally enrolls in a "good behavior" camp, where discipline is the norm and fun is a distant dream.
As expected, Junior does not adapt well to the strict rules and ends up clashing with the camp counselors, who try to keep him in check while he devises a series of mischievous plans to enjoy his summer. With the help of his campmate, an equally wild boy, they unleash a series of hilarious escapades that turn the camp upside down. Meanwhile, his mother tries to manage the situation from afar, hoping that Junior will learn some responsibility.
However, when a mysterious conspiracy threatens the camp, Junior must decide whether to follow his mischievous instincts or become a true hero. With a good dose of humor and a message about friendship and self-acceptance, this story promises loads of laughter as Junior reminds us that while causing trouble can be fun, helping others is even more rewarding. Get ready for an unforgettable summer full of chaos!