Katie is overjoyed when her parents finally say she can get a puppy. The moment she meets playful little Timmy, she knows he’s the perfect addition to their family. But her sister Jess isn’t so sure—she’s worried about how their cat, Misty, will cope with a noisy new puppy.
Katie hopes they’ll get along eventually, but things quickly go wrong. Every time Timmy tries to play, Misty gets upset—and Timmy ends up in trouble. He doesn’t understand. Why won’t Misty be his friend?