Charlie fights for his life at Westside with Hannah by his side. The Board launches an internal investigation into Brian Clark's resignation, putting everyone in the hot seat and motivating Amy to figure out what happened before the hospital can make her a scapegoat. A familiar face returns to Westside and Amy is not happy about it.
Dr. Amy Larsen must navigate an unfamiliar world after a brain injury erases the last eight years of her life. She can rely only on her estranged 17-year-old daughter, whom she remembers as a 9-year-old, and a handful of devoted friends, as she struggles to continue practicing medicine, despite having lost nearly a decade of knowledge and experience.