Bash faces an important figure from his past and must solve a public health crisis; hospital administration calls Devi's leadership into question; Mags doubts all of her choices; June is asked to oversee a sensitive procedure.

Bash has a major realization; Mags faces an overwhelming health crisis; Devi stands behind her choices; June confronts loss; Theo witnesses a devastating event.

Bash and Mags team up to save a John and Jane Doe found in the woods. A fully qualified surgeon now, June sees her old mentor in a new light. Suspended from the hospital, Theo longs for the action while treating patients virtually. Devi makes a budget cut decision, which will have major consequences for the Emergency Department.

Bash jumps into a sinkhole to save a trapped pedestrian. Mags faces a difficult personal choice, while attempting to contain a potential outbreak in the Emergency Department. Theo does whatever it takes to help a boxer with severe chest pain. June connects with a volatile patient, overstepping Novak. Claire is having trouble adjusting after a past assault.