Joel and his sister Zoey thought they loved animals of every kind. That's why they wanted to come to Camp Slither. But Camp Slither has a cold-blooded secret: Somebody has unleashed a hungry horde of slithery snakes! Can Joel and Zoe survive long enough to accept their invitation to HorrorLand? Yesssssss! But only if they figure out why Camp Slither is crawling with trouble.