A meteor crashes into Colepepper Zoo unleashing a virus that transforms the animals into slobbering zombie mutants! Gracie, a young oddball wolf, teams up with a gruff, fearsome mountain lion, Dan, and a motley crew of bickering animals. But when it looks like the whole zoo will be overrun, Gracie comes up with a plan to transform all the animals back to normal and save the zoo. It's the ZOOPOCALYPSE!