Deputy Miley and the other drill instructors are back to train Recruit Class 368. The LASD Staff has many new surprises planned for the first day of training, known as "Black Monday."
Recruit Marquez worries that her cancer has returned; the staff confidently appoints Recruit Leos to the role of class sergeant, but the class doesn't follow her lead.
A few careless recruits are in hot water after their weapons are stolen from their vehicle. Santos fights for her job as she struggles with all aspects of the training.