Controversy and betrayal strike TMS as a new year approaches. Alex faces a difficult decision.

On Election Day, a mother and daughter argue over whether Payton or Dede is the better pick, motivating each to spend time with her chosen candidate.

Lola courts Sherri to return to her chambers; Luke and Mark’s friendship is tested while on opposite sides of a trial; Emily continues fighting for Charlotte.

Lola courts Sherri to return to her chambers; Luke and Mark’s friendship is tested while on opposite sides of a trial; Emily continues fighting for Charlotte.

The guards get tougher in a bid to turn up prison contraband; a big, lingering secret is finally revealed.

Wildfires threaten the Seattle region, leading to a flood of patients and emergency procedures. The doctors juggle overcapacity in the ER, complex surgeries and personal stress. Meanwhile, Meredith makes a…