Tensions are high in the hospital as Bloom (Janet Montgomery) is overruled on a diagnosis. Meanwhile, Iggy (Tyler Labine) notices that something may be amiss with one of the hospital's most respected surgeons.
Hank is called to help a fearful asthmatic boy, whose courageous nanny gets mysteriously ill as well. Meanwhile, Paige's secret is inadvertently exposed when a medical emergency requires her to call Hank.