Spencer and his big brother Zach have just moved to a new home with their mother and grandpa. Spencer has a hard time adjusting and is fearful of everything but Grandpa encourages Spencer to have faith in himself as he heads off with his brother to one of his greatest challenges yet, Summer Camp. There, Zach and Spence make friends in opposing cabins. Spencer joins the Armadillos and befriends Firefly and Little John. With the help of the camp counsellor they sharpen their skills in boating, archery and rock climbing to prepare for the Summer Camp Games. Zach joins the Pelicans, a team lead by the camp bully Dean. They play several pranks on the Armadillos, turning the brothers against each other. This starts an all-out battle but Zach and Spencer soon discover that if they work together they can overcome any obstacle.