Imagine having a best buddy who looks just like you! When Millie and Jess swap their outfits, they fool everyone! And the fact that Millie’s a princess and Jess is a maid just makes their secret game even more exciting. Now Millie can have some wild fun without having to be perfectly proper. And Jess can get pampered and wear seriously fabulous frocks! But when a priceless painting is stolen from Peveril Palace, these lookalikes have to turn detective. Can they use their awesome swapsie skills to solve the crime?