The series finale: Angels Memorial descends into chaos when a plane crashes into the eighth floor. Also, it is up to Mario to save Noa's life when she has a car accident. In addition, Willis admits to Rox that he needs her in his life, and the doctors gather in court to support Leanne for her custody hearing.
Willis continues to tend to Rox's medical needs in San Diego while Leanne and Max's father search for Ariel. Also, Noa and Mario realize their career choices will mean ending their relationship when Noa wants to accept a position in Philadelphia and Campbell offers Mario the attending position at Angels.
While rescuing an injured firefighter, Rox is hit by a drunk driver and rushed to Angels Memorial. Willis begins to realize his feelings for Rox and goes to great lengths to help her. Also, Leanne is excited to tell Ariel good news about her adoption.
Elliot fears the worst after hearing the emotional testimony by Detective Gomez's wife at his malpractice trial, but he hopes footage Diego shot for his documentary will change her mind. Also, Rox attempts to connect with Willis, but he pushes her away, and Leanne attempts to comfort Ariel in the wake of a devastating loss.
Rox accompanies Willis and Martin to the funeral of an Army buddy of Willis' brother, and Willis decides to get to the bottom of what happened to his brother's unit. Also, Max is brought to Angels Memorial with breathing difficulty, and Ariel tells him she loves him.
Mario joins Rox and Willis on the scene of a boat crash, and, in Center Stage, Leanne works to save a brother and sister who drank boiling water through a straw as part of a viral challenge. Also, Max's father tells Leanne to keep Ariel away from his son after he finds them kissing.
Rox decides to make amends with her former step coach when she arrives at Angels Memorial with the local high school step team after a pyramid stunt goes wrong. Also, Noa pleads with Leanne and Campbell to try any other method before performing an emergency hysterectomy on a young teenage girl experiencing complications after giving birth.