: While others deal with the virus, Glassman discovers his own personal crisis: his brain tumor has returned. Thematic Elements
: His son, Kellan, is trapped inside the ER and begins showing symptoms, leaving Park desperate and beating on the quarantine doors. [S2E10] Quarantine
: When a paramedic (Tyler) also falls ill, Dr. Lim officially locks down the ER. No one is allowed to enter or leave, leading to rising panic among patients and staff. : While others deal with the virus, Glassman
The episode is frequently praised by reviewers for its intensity and for highlighting the limitations of Shaun’s savant syndrome when faced with extreme environmental stressors. It serves as a cliffhanger, leaving multiple lives—including Dr. Lim’s—hanging in the balance. Lim officially locks down the ER
: The original patients die quickly, and by the end of the episode, both Tyler and Dr. Lim are infected and in critical condition. Key Character Arcs
: Two patients collapse at the airport after arriving from Malaysia; symptoms include vascular rashes and rapid respiratory failure.
: They are forced to operate on a patient, Chris, who requires a bone marrow transplant from his estranged father. Melendez violates a DNR (Do Not Resuscitate) order to keep the patient alive, setting up future ethical conflicts.