When his brother asks Martin Daniels to look after his young son, Clifford, Martin agrees. He takes the boy into his home and introduces him to his future wife, Sarah, who will become his wife. Clifford is obsessed with the idea of going to a famous theme park. Martin, an engineer who helped build the park, makes plans to take him. But when Clifford shows that he's a real jerk, his uncle goes crazy, and a crazy inter-generational fight breaks out.