"Who wants to play?" wonders Little Puppy. The schoolchildren are too busy, the sleeping man is too lazy, the big dogs are too mean, and the cat is too boring. Maybe the monster wants a friend. The monster replies with a powerful ROAR! But with unfaltering optimism, inexhaustible goodwill, and a bit of naivete, the tiny puppy transforms the curmudgeonly monster into the perfect playmate.