After the outbreak of a zombie-like disease that's turned the world upside down, Willow and her mysterious team, the Silver Paw, do all they can to stay alive. When PIGGY ambushes Willow and newcomer Cami, the two escape to an abandoned school only to find they'll have to survive a barbarian clan of kindergartners, a gladiator pit in the cafeteria, and more all with PIGGY hot on their trail. Can they escape in one piece? Or will this be the end of Willow and the Silver Paw?