After months away with her family, Ruby returns to the hospital for her pregnant sister to give birth. A life and death medical crisis unfolds, forcing Ruby to see where her loyalty lies. Greg gets a surprise family visitor.

A medical train rolls into in town providing miracle surgeries, and carrying a surprise for Gabriel – a glamorous older surgeon from his past. One of the team is viciously attacked, leaving Lydia reeling.

Gabriel and Aisha get closer when they work on a surgery together, threatening Ruby and Gabriel’s blossoming relationship. Ruby and Ram fall out over a patient’s care and Edmund’s search for his lost love hits a dead end.