When James' beloved elementary school teacher is diagnosed with an aggressive cancer, he tries to employ a risky robotic surgery to save her, an approach with which Walter disagrees. Also, a military veteran blinded in combat and riddled with guilt refuses Zoe and Talikha's high-tech treatment that could restore his vision.

Walter and the Bunker Hill surgeons must perfect a revolutionary remote surgery when someone on the International Space Station needs an emergency procedure. Also, the team uses social media to locate the source of an E. coli outbreak in town; Scott's secret past is revealed; and Zoe and Malik's flirtation heats up.