Kovač and Pratt examine a man who was shot after he confronted his boss with a gun. Kovač and Dubenko disagree about possible internal injuries, leading Kovač to try several procedures to test his theory. Ultimately Kovač is proven correct, while the patient refers to the day as the best of his life. Pratt also treats a boy with a suspicious gash but releases him despite Wendall's objections, with tragic results. Jake tries to convince Abby that they should date and changes shifts with Jane so that Abby is no longer his supervisor.