A passenger heading to Hawaii may be denied boarding, while another passenger refuses to pay a visa fee on principle. Meanwhile, two passengers flying north to see the Northern Lights may be in the dark.
Dr. Charles struggles to convince Dr. Choi that surgery isn't always the answer. Dr. Rhodes finds himself in hot water with Goodwin when he disobeys her direct order. April becomes frustrated with Maggie when she continues to question her leadership role.
When a remarkably intelligent academic, Gwen, is admitted to the ER with a splitting headache, doctors at Bethune General are stumped as the headache leads to an apparent psychotic breakdown followed by a terrifying seizure.