Riza, a one-year-old German Shepard, has been rushed to the Teaching Hospital by his worried owner. The dog is lethargic, coughing, and having difficulty breathing. Small Animal Intern Dr. Sharon Finster puts the dog on oxygen, performs a blood gas test and takes samples. The pathology lab confirms the presence of Blastomicosis, a deadly fungal disease, and Riza is put on medications. Meanwhile, a juvenile alpaca comes in for cataract surgery and sees its mother for the very first time; a champion pulling horse needs surgery on an injured foot; and Lambertus, the orphan lamb, has his casts replaced.