The twins, Zip and Zap, are sent to reeducation summer school. They form a gang with 3 others, opposing the school's tyranny with pranks. Later, they go treasure hunting.The twins, Zip and Zap, are sent to reeducation summer school. They form a gang with 3 others, opposing the school's tyranny with pranks. Later, they go treasure hunting.The twins, Zip and Zap, are sent to reeducation summer school. They form a gang with 3 others, opposing the school's tyranny with pranks. Later, they go treasure hunting.