Kerry and Pratt treat a little girl hit by a stray bullet. Luka and Ray treat a woman with cancer who makes a difficult choice. Clemente's former flame shows up. Eve's extreme response to a rude patient forces Luka to bring in the nursing supervisor. Haleh auditions singers for the Christmas party. Sam discovers the impact Steve's imprisonment has had on Alex, and takes him to visit his father. Abby shares some big news with Luka.