Moving from the city to a new home in the country can be tough. Just ask Henry, who can't find a playmate in his new neighborhood! Luckily, he's got Mudge, a great big, canine buddy, with whom he can share all kinds of adventures! Henry discovers that having a pet is a big responsibility. Henry gets a surprise when his cousin Annie comes for a visit. She forms an instant bond with Mudge and gets him to do tricks no one else can, like rolling over. Will Annie come between a boy and his dog? Can a kid have two best friends? Theatreworks USA's new musical "Henry and Mudge" is based on the best-selling series of books by Cynthia Rylant. Part of our Family Series.