Bailey, Sophia, and Jayden are expert slime makers—but they don’t know everything about the goo they’re creating. For instance, when they’re not around, their slimes come to life! And their creations are not happy about being shipped out of their shop and off to customers.

The slimes left at the shop aren’t happy either. Who will be shipped off next? Even as a slime named Polly tries to convince her friends that everything is fine, Boris, a grumpy green slime, starts taking things into his own hands. Then slimes start disappearing, and suddenly the shop is full of zombie slimes.
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​​​​​​​With half the shop zombified and the other half scared silly, Polly has no choice but to go on a quest, along with her friends Max and Karma, to discover the truth about the slimes being shipped off and a way to save her friends before it’s too late. Will they be able to turn everyone back into themselves? Or will the slime shop get shut down for good?