Dawn and Rory hate each other's guts. And now they are to be step-sister and brother. Even worse, something very weird is happening to the worms Rory keeps as pets. But what happens when the Slobberers escape during the wedding is only the beginning.

Dawn and Rory find their parents' car wrecked with blood-stained seats, They begin to panic - was it the slobberers? Will Dawn and Rory be next on the menu?

Kamikaze frogs, kidnap and a crazy snail all point to one thing: Dawn and Rory's quest for the truth has to continue.

Rory and Dawn are following the trail of the Slobberers. A snail with Slobberer disease leads them to Howard, the brother Rory never knew he had, and they continue the search for their dad. They fight against gripping, writhing roots that trap them in their car, roots that kill feral pigs as they eat them.

Dawn and Rory hate each other's guts. And now they are to be step-sister and brother. Even worse, something very weird is happening to the worms Rory keeps as pets. But what happens when the Slobberers escape during the wedding is only the beginning.

Dawn and Rory hate each other's guts. And now they are to be step-sister and brother. Even worse, something very weird is happening to the worms Rory keeps as pets. But what happens when the Slobberers escape during the wedding is only the beginning.