Lachlan Buchanan

The Station 19 crew offers aid to a man who sets himself on fire; Theo proves his devotion to Vic; Sullivan seeks advice from Dr. Webber; Travis comes to a realisation about his love life.

Sullivan and Natasha's past is revealed; Ben and Bailey have a discussion with Pru's grandparents; the crew responds to a fire at a candy factory.

Castle and Beckett get an up-close-and-personal view of a 'Real Housewives'-esque reality TV series, 'The Wives of Wall Street', when they investigate the murder of the show's rising young star.

The team welcome back Emily Prentiss when they are called upon to investigate the disappearance of three women.

As Ben readies the new Physician Response Team truck for the field, his suspicions about Sullivan and the missing Fentanyl continue to grow. Jack and Rigo try to look past their differences when they are forced to work together.

Andy becomes suspicious of the circumstances surrounding her mother's death. The crew works to evacuate a doctor from Pac-North hospital and find themselves in a life-threatening situation. Sullivan undergoes surgery for his chronic leg pain.