Angie tries to target her mother’s illness using radical nanobot technology, but she looks to Scott for help when her mother prefers using traditional methods. Also, when a graffiti artist with a clotting disorder falls from a bridge, Walter, Malik and Zoe attempt to use suspended animation to stop his internal bleeding.
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.
Malik and Zoe don't see eye to eye when it comes to using a revolutionary procedure involving spider silk to save a boy's crushed legs versus the safer route of amputation. Elsewhere, James, Walter and Talaikha care for a young woman in desperate need of a liver transplant who, to their surprise, is reluctant to accept a donation from her estranged father.