On the island of Mutasia, where everyone is a mix of two or more different animals, it sure is hard to find the perfect pet. But if anyone is up for the challenge, it's Figley When his friend, Billie, admits that she's grown tired of her boring pet pugapillar (pug-caterpillar), Figley sets out to find her the weirdest, wildest, and wackiest pets on the island He introduces her to an assortment of mixed-up animals like a dolphin-pony, a lizard-cat, and a flamingo-elephant-goldfish But with each positive feature that comes with a critter's mix, there's an unexpectedly troublesome trait too As the exotic animals begin destroying her house, Billie starts to reassess what's really important in a perfect pet.