Who would imagine that a little Chihuahua, with a big attitude, would be able to change the life of a sad walrus? Only Pinkie knew that she could help Gus. She knew what ailed him. You see, Gus lived in the zoo and had an estate all to himself. He was a lonely walrus and he needed a friend. This story is about love and friendship. The theme is universal and shared by all creatures on this planet.