When Dr. Rhodes and Dr. Downey treat a patient with a multitude of health and heart issues, they uncover he might be misdiagnosed and disagree over the best course of action. Dr. Choi, riding along with paramedic Sylvie Brett, responds to a call for a man with a leg injury, but complications arise in getting to him since the home is wrought with excessive hoarding. Meanwhile, treating a patient who was bitten by her own dog, Dr. Manning and Sarah have suspicions about the reason for the injury and what it might mean. Meanwhile, Goodwin ensures that everyone is on their best behavior when the Joint Commission makes a surprise visit to Chicago Med to evaluate and rate the hospital's standards.