While eighth grade brownie-baking criminals Poppy and Cassia prepare to destroy their rival, Saffron, teenage detectives Ginger and Anise creep closer to blowing the lid off the whole operation.

Eighth graders Poppy Pepper and Cassia Caraway's brownie-baking criminal enterprise is off and running, but teenage detectives Ginger and Anise are on the case.

After winter break, Poppy and Cassia's bond is broken, perhaps irrevocably. But from the ashes, an alliance forms between a pair of one-time rivals. Can they restore the Patty Cakes brownie empire, or will they tear each other to pieces in the process? In the midst of winter, Vista Vale is heating up.