Although a paid assassin is stalking Wally while his twin sister Cheyenne is under the power of the queen ont, it is up to them, their vampire Dad, and their friends to save the human race from the giant onts.
Wally & Cheyenne Shluffmuffin are back to the clutches of the show-tune happy Hortense Jolly at the Jolly Days Orphanage where another odd adventure ensues.
While trying to convince the FBI that giant ants are kidnapping and enslaving the citizens of Cincinnatti, twins Wally and Cheyenne Shluffmuffin, with the help of their vampire father, escape the clutches of the enormous ghouls who want to adopt--and eat--them.
The ten-year-old Shluffmuffins twins, still evading the evil, giant ants that tried to adopt them, discover the culinary delights of swamps and encounter a zombie who bears a strange resemblance to their deceased father.
Ten-year-old orphan twins Wally and Cheyenne Shluffmuffins have a hard time at Cincinnati's Jolly Days orphanage, but things get much worse when the Mandible sisters offer to share their home in the Dripping Fang Forest.
When his friend Spencer, the class genius, spends the night, he and Zack discover how to leave their bodies and travel around New York City, but they have one problem--how to get back inside themselves.
When Zack accidentally drinks the invisible ink that is one of Spencer's experiments, he worries about missing his only chance to get his picture in the paper, if the new flavor he and Spencer invented wins the local Len and Larry's Ice Cream contest.