Lachlan Buchanan

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

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.

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.

The crew responds to a drunken driver scene, and Dean receives advice from Pruitt. Later, Sullivan seeks help from Dr. Amelia Shepherd.

The future of Sullivan's career hangs in the balance as his disciplinary hearing gets underway. The crew investigates an electrical fire at a neglected apartment building that serves as the home for some of Seattle's most prominent drag queens.