Emmett finds a new group of friends at summer camp since his older brother, Luke, is a junior counselor and doesn't seem to have time for him anymore.

Percy, expelled from six schools for being unable to control his temper, learns the truth from his mother that his father is the Greek god Poseidon, and is sent to Camp Half Blood where he is befriended by a satyr and the demigod daughter of Athena who join him in a journey to the Underworld to retrieve Zeus's lightning bolt and prevent a catastrophic war.

As the son of the world's most famous tech billionaire, spoiled Jett Baranov has always gotten what he wanted. So when his father's private jet drops him in the middle of a place called the Oasis, Jett can't believe it. He's forced to hand over his cell phone, eat grainy veggie patties, and participate in wholesome activities with the other kids whom he has absolutely no interest in hanging out with. As the weeks go on, Jett starts to get used to...

Ralph, a victim of the generation gap, rides his cycle away from his unsympathetic family only to be imprisoned in a summer camp.