During a robbery at the grocery mart Dr. Shaun Murphy is shopping at, his communication limitations puts lives at risk. Meanwhile, after Shaun's traumatic day, Dr. Aaron Glassman worries that he isn't doing enough to help Shaun.

When the team treats a patient who has to decide between a dangerous surgery that could change his life or remain the same, he asks Dr. Shaun Murphy what he would if he had that same choice.

Dr. Shaun Murphy and Dr. Morgan Reznick must contend with two brothers who are bargaining over life and death. Meanwhile, Dr. Claire Brown’s friend who is dying of cancer asks her for something she doesn’t think she can give her; and Dr. Aaron Glassman is dealing with the effects of his treatment.

Shaun’s blunt honesty with a distraught mother of a critically ill newborn baby causes the new chief of Surgery to question keeping him on as a resident.

Carly’s attempts at increasing her intimacy with Shaun are becoming more of a frustration than either of them expected. Meanwhile, Lim and Melendez struggle in their relationship as they work to separate their work from their personal life.

Claire and Shaun treat a patient with a rare form of dwarfism. Reznick, Lim and Park treat a young man who had both arms torn off in a previous farming accident. Shaun reacts to an emotional situation.

With several candidates vying for residency at St. Bonaventure, Chief of Surgery Dr. Audrey Lim tasks Dr. Shaun Murphy, Dr. Claire Browne and Dr. Alex Park with mentoring the top first-year resident contenders. As their mentees shadow them for the day, Shaun and Park meet with Andrews to discuss a difficult surgery scheduled for a minor. Later, Shaun inadvertently insults Lea while discussing the pros and cons of the controversial surgery. And elsewhere, Dr. Morgan Reznick seeks out Claire and Lim’s help on a consult.

After bringing in an incredibly unique and complicated spinal surgery, Dr. Aaron Glassman challenges the residents for an opportunity to join him in the operating room. Meanwhile, Shaun and Morgan disagree on how to treat a comatose patient with a cancerous tumor.

Shaun and Lea go on a camping trip to distract themselves from their grief over their miscarriage. Meanwhile, Morgan and Park argue about the best course of treatment for their patient.

Dr. Shaun Murphy and Dr. Alex Park must grapple with a life-and-death decision and decide between saving one patient over another. Meanwhile, Dr. Morgan Reznick goes a little too far in her attempt to win Salen’s favor.

Sophie takes Lea out for a day full of luxurious wedding planning. And after a near fatal oversight, Dr. Lim senses an underlying issue is behind nurse Villanueva's unprofessional behavior.

Shaun invites Aaron to stay with him while he has exterminators at his house and Lea realizes both men have a lot more in common than she realized. Meanwhile, Dr. Morgan Reznick wrestles with a big decision about her career and her personal life.

The team must deal with a mass casualty event that forces them to put aside their emotions following a recent tragedy.