Lewis, Neela, and Ray treat a police officer shot during a robbery. His 15-year-old son must make a difficult decision on his father's course of treatment and he turns to Ray for advice. Ray promises to help the boy explain his decision to his mother, but he instead leaves for a gig and later gets an angry earful from Neela after the boy is browbeaten into changing his mind. Abby and Dubenko help a young girl whose mother does not want her to have critical surgery at County, but her condition worsens before her transfer can go through. Luka begins to take a more active role in Alex's life after he's suspended for bringing a copy of Maxim to school. An exhausted Chen returns to work, where Pratt finds her stealing potassium.