To prove that humans have changed since the "dark times", Marnie invites Halloweentown teenagers to her school. When an evil knight shows up to destroy all things magical, Marnie must save her friends and her own magic.

Six teenagers journey through the world's most carnivorous adventure camp, exploring the mysterious island of Isla Nublar. When all systems go haywire, unleashing rampaging dinosaurs, watch as the teens get up close and personal with Indominus Rex, battle bloodthirsty game hunters, and uncover puzzling details of Dr. Henry Wu's top-secret research on the ravenous raptors. Will the teens ever make it off Isla Nublar or will they struggle to survive...