Summer Brown

Tensions spike when a road rage incident sends three patients into the E.D.; Frost's former television co-star resurfaces; an unexpected arrival catches Hannah and Archer off guard.

As Shaun (Freddie Highmore) prepares to meet Lea’s (Paige Spara) parents, the St. Bonaventure team treats an elite gymnast and her coach — who is also her father. Things finally come to a head between Claire (Antonia Thomas) and Lim (Christina Chang).

As Morgan (Fiona Gubelman) struggles to find a liver donor for a woman with Down Syndrome, an amputee triathlete faces a risky surgery so he can continue raising money for cancer research.

Asher (Noah Galvin) wrestles with guilt after misdiagnosing his first patient. As Park (Will Yun Lee) and Morgan (Fiona Gubelmann) forge an unlikely bond, a near-fatal accident spells trouble for Glassman (Richard Schiff) and Debbie (Sheila Kelley).

As new resident applicants arrive at St. Bonaventure, Morgan (Fiona Gubelmann) struggles to adapt.

As the team treats two patients with complex histories, Claire (Antonia Thomas) and Lim (Christina Chang) each face a reckoning. Shaun (Freddie Highmore) struggles with his attraction to a new colleague.