Dr. Campbell files for divorce from her husband while battling a cough. Lu tries to stop a boxer from fighting her next match. Lu tries to get Andy to look at her but she thinks it's just allergies. Andy treats Blain who doesn't feel good. Lou looks at Lyla who has SIS (Second Impact Syndrome) and wants Lyla to stop boxing because her next match could kill her. Lu heads to the boxing ring to ask Lyla to stop and doesn't listen. Blain learns she has ATL (Adult T-Cell Leukemia.) Lu tries to track down Andy's chest x-ray thinking she may have Lung Cancer. Dr. Campbell learns she has lung infection.