Over four months, 32 states, and 13,000 miles in a rented motor home, Denizet-Lewis and his canine companion attempt to pay tribute to the most powerful interspecies bond there is, in the country with the highest rate of dog ownership in the world. On the way, Denizet-Lewis--known for his deeply reported dispatches from far corners of American life--meets an irresistible cast of dogs and dog-obsessed humans.