"Snap's town has a witch. And when Snap's dog goes missing, the first place she looks is the witch's house. She finds her dog there, recovering from being hit by a car, in the care of a woman named Jacks. She is a crocks-wearing, internet-savvy older woman who collects roadkill, puts their spirits to rest, and cleans and sells their articulated skeletons online. They make a deal: If Jacks teaches Snap how to take care of a crate of orphaned baby opossums...

Michael Malone is assigned to investigate a local comic shop by the mysterious UNICORNE agency because they are displaying a comic book with a disturbingly familiar heroine--but he soon realizes that the sinister shop hides an invisible army come to life, with a menacing maniac at it's head, and worse he does not know if he can trust his fellow agents.