"I don?t think my dog likes me very much," New York Times Magazine writer Benoit Denizet-Lewis confesses at the beginning of his journey with his nine-year-old Labrador-mix, Casey. Over the next four months, thirty-two 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.