A grandfather and grandson are injured in a chainsaw accident, leaving Luka stuck upstairs with a difficult case. Pratt has his trial-by-fire when he has to handle the ER alone, juggling multiple traumas, teaching duties and clever but overconfident ex-paramedic Gates, who does difficult procedures unsupervised and dictates his notes, both infuriating Pratt. Neela mentors contrary med student Jane Figler, assigned to surgery, and helps Pratt after a serious error, to the scorn of the chief surgical resident. Sam discovers Alex's latest extracurricular activity. Gates turns out to be living with Meg Riley and her daughter Sarah. Abby enrolls in a "Mommy and Me" class and hides being a doctor when she meets a group of selfish nannies, which makes her prefer minding he baby herself.
—KGF Vissers