Polly is a whiz when it comes to pet matchmaking, so when neighborhood curmudgeon Mr. Quidnunc visits the Adoption Center, Polly knows exactly what pet will suit him. Despite his interest in a very hyper dog, Polly is confident she knows better and proceeds to match Mr Quidnunc with an array of pets. But when no match works, Polly must challenge her incorrect assumptions about Mr. Quidnunc’s life.