Ricky's plan to get revenge on Tasha for kicking him off the school paper backfires when the message he sneaks into the paper inviting creeps to call Tasha gets printed with his number instead and the calls he gets are from real Creeps--complete with scaly purple skin and long sharp fangs.
Eddie, tired of show-off Courtney, comes up with a plan to lure her down to Muddy Creek and scare her with the rumors of creepy Mud Monsters, but he makes his first mistake when he refuses to believe the rumors himself.
Jerry, intent on exploring the dark, spooky old cave he discovered down by the beach, makes a poor choice when he ignores his friends' warnings about the ghost that lives in the cave.
Camp Cold Lake is no fun for Sarah, and she is not getting along with her bunkmates, but when she decides to pretend to drown, she realizes someone very strange has been watching her.
While visiting London, Sue and her brother get separated from the tour group and find themselves trapped in a prison tower and transported back in time.
During a stay at King Jellyjam's Sports Camp, Wendy thinks the counselors are a little too happy--eerily happy--and concerned about winning, but her "sports freak" brother is not convinced.