A mysterious vortex appeared over the Green Grassland. A zombie virus spread, and all the animals mutated. Only the lambs and the Big Bad Wolf's family were left clinging to life, alongside mysterious plant allies, a strange new world they had no choice but to enter, and a horde of rampaging zombies.
Weslie: Protecting everyone is my responsibility. I have no regrets.
Tibbie: I'm truly happy to be together with everyone.
Paddi: I'll share my snacks with everyone. I want to fight alongside you all.
Slowy: I've got plenty of strength. I'll protect everyone.
Warmie: I'll always have everyone's back.
Wolffy: My own selfish interests can't come before other people's suffering.
Crazy Dave: I was only trying to protect my friends. What did I do wrong?
Dr. Zomboss: Power. I want power.
Will they uncover the secret and save everyone, and the world?