Meet the funniest, most stubborn troublemaker you will ever encounter at doggie day care. Lizzie Peterson loves spending her free time helping out at her Aunt Amanda's pet center, surrounded by barking friends. That is where she crosses paths with Pugsley, a deeply adorable but fiercely independent pug who has earned the nickname Mr. Pest. He ignores commands, causes total chaos, and creates so much trouble that his owners decide they simply cannot keep him anymore. The Peterson family agrees to foster him, but turning this naughty rascal into a polite pet feels like an impossible mission. You will be laughing out loud as Lizzie tries every trick in the book to outsmart Pugsley and correct his hilarious bad habits. Figuring out how to transform Mr. Pest into a very good boy is the only way to find him a family who will love him forever.