Part 4/7:
As the situation worsens, Brooke finds her colleague Logan brutally attacked by a zombie porcupine, which adds urgency to an already dire situation. Realizing that the attacks are increasing, they must come together to find an antidote to combat the infectious virus spreading among the animals.
In a chance for redemption, Jaizelle offers her assistance in finding a cure. While tensions rise and danger looms, they learn that the zombie animals can be neutralized with a serum that requires human blood. Brooke and Jaizelle work diligently to create a formula but must face more undead creatures constantly threatening their lives.