Indy and Olivia are crazy about making slime, but they run into trouble when a big toy factory boss starts an anti-slime campaign to increase his own toy sales.

Slime creator Indy has to come up with a super cool new slime recipe for a big Slime Gala. When she secretly adds octopus slime while making it, magical colors are created. This is the best slime she's ever made! But when jealous slime creator Benji steals the recipe, everything goes wrong. Can Indy stop Benji and win back her slime fans?