The sinister siblings, twins Edgar and Ellen, kidnap the pets of Nod's Limb's youngest citizens and turn them into "rare beasts" in hopes of making money to finance future pranks.

Devious twins Edgar and Ellen scheme to thwart the mayor's tourism initiative, which, if successful, would destroy the town junkyard--the twins' favorite playground, foraging spot, and home to their beloved carniverous plant, Berenice.