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.