Someone has been deliberately poisoning animals with strychnine-laced hot dogs. A Golden Retriever named Champ is the latest victim and the vets are struggling to save the dog's life in the intensive care unit. Elsewhere, a racehorse has seriously injured its knee and its racing career is now in jeopardy. Some vet students examine a cat that has been accidentally crushed in a door, while others make the rounds at a local zoo, handling herons and raptors.