A dog is man's best friend, right? Well then, it can be said that to an old man who lives alone his dog, Panchito, is not just a friend to him but his whole reason for getting out of bed in the mornings. Panchito is an adorable teacup-size Chihuahua puppy that the old man carries in his left-hand shirt pocket as he makes his daily three-block walk to the city park. On one of these pleasant trips to the park, something devastating happens to Panchito. What will become of the old man? Will he and Panchito be reunited?