Cassie, James, Trey and Luna start to put together the pieces of the Jackal case, while no one has heard from Walker.

Walker tries to make up for lost time and wants to be what Geri deserves. Cassie and Trey have their final interviews for the lieutenant position. Captain James advises Cassie and Trey. Stella discusses with Liam what she may want for her future. Bonham and Abby admit to each other what they really want for the next phase of their lives. August's graduation brings everyone together to celebrate.