Andy Russell's misadventures continue when his gerbils escape once again, this time at the school carnival. And Stacy Ann Jackson, the teacher's pet, isn't making life any easier for him. Meanwhile, Andy's friend Tamika is preparing to move in with the Russells. And Andy will do anything to find out if he is going to have a baby brother or a baby sister. As he tries to sort through these dilemmas, Andy makes a surprising new friend and discovers what being a family really means.