Nancy (Anastasia Griffith) comes under fire for ignoring protocol when treating a high school cheerleader and her actions put Dr. Joe (Jamey Sheridan) in the hot seat and their relationship on the line. Meanwhile, Rabbit (Cliff Curtis) and Marisa (Aimee Garcia) are quarantined after being exposed to a patient with meningitis. Elsewhere, a misunderstanding puts Boone's (Derek Luke) partnership with Tyler (Kevin Rankin) to the test.