Luke and Lizzie thin they'll be safe in Panic Park. But they're wrong. Because Panic Park is home to The Menace, a two-faced villain with a twisted plan to trap them forever.They learn they've been sharing secrets with a traitor, who's been tricking them all along! To beat The Menace and his rotten crew, Luke and Lizzie must team up with an old foe. But will they be double-crossed again?

Boone and Heather are psyched for summer camp. The legends of man-eating snakes and disappearing campers are hisss-terical! Sure, it's strange that the camp lotion makes their skin peel, but there's a good explanation, right? Right?! Things get even wrose when Boone joins the other eleven Very Special—And Very Terrified!—Guests at HorrorLand. There's something Very Wrong about a bumper-car ride called the R.I.P.P.E.R...