First-year student Dan Cimino gets an in-depth introduction to the chaos of an ER. The evening begins slowly, but before long there are two serious emergencies. Fourth-year student Aria Hill is rewarded with some hands-on work during surgery to remove 10 teeth from a cat. Fourth-year student Singen Elliott is schooled by an orthopedic surgeon who reminds him to treat the patient as the tiny kitten he is, not like one of Singen's beloved horse patients.