A relaxing long weekend at home instantly transforms into a hilarious disaster zone when a massive mixed-breed puppy crashes the party. Lizzie Peterson's mom is incredibly excited to host three of her best friends for a peaceful, grown-up visit. But right before the guests arrive, the family gets an emergency call about Boomer, a gigantic and clumsy dog who urgently needs a foster home. The Petersons cannot say no to a dog in need, leaving Lizzie with the ultimate undercover mission. She must keep this heavy, tail-wagging giant completely entertained and out of trouble so he does not ruin her mom's fancy weekend plans. You will laugh out loud as Lizzie desperately tries to hide Boomer's chaotic messes and prevent him from knocking over the guests. Balancing a hyper puppy and a house full of adults is a massive challenge you will love watching Lizzie try to solve.