Fighting to save a baby with a heart defect, Mags is flooded by memories of her own health struggles as a child. With his performance still being closely scrutinized, Bash remotely treats a cluster of patients with an undiagnosed illness in Aleppo, while also caring for the victims of a Toronto apartment fire. Dr. Bishop asks Claire for a life-altering favour. Theo's unpredictable decisions start piling-up, and June's professional and personal lives collide.

Mags is surprised when a patient triggers her. Bash treats a woman suffering from Locked-in Syndrome, and the husband whose life revolves around caring for her. Bash takes Amira out of town for a joyful dance recital, where a familiar face surprises them. Dr. Bishop's ambitions for the department lead to consequential staffing changes. June and Dr. Singh's differences get in the way of their work. Theo treats a teen with a rare presentation of Attention Deficit Hyperactivity Disorder (ADHD) and gets a visit from his father.