for walks together on Sundays. Today he is taking Sam to the local vet, because he is afraid that he is going blind. However, the vet is confident of curing him by means of a small operation. He is giving Sam an injection before operating on him, so that he will is sleep peacefully the whole time and not feel any pain. There is even a pretty nurse standing by to comfort Sam in case he feels unhappy and lonely in the strange surroundings.