An old friend returns with a shocking surprise for everyone, and Cordell is forced to come to terms with the decisions he’s made and how it’s affected the ones he loves most. In the aftermath of the devastation caused by Grey Flag, Trey’s left feeling like an outsider, but a new case will force he and Cassie to overcome their issues.

It's an exciting day for Liam, Stella and the horse rescue as opening day is upon them! Then the boys are off for a camping trip while the ladies plan a relaxing day at the spa...but nothing ever goes as planned.

It’s a big day for the Texas Rangers and the Walker clan as friends and family gather to celebrate a very special event.

Trey and Liam try to help Walker figure out his next steps with Geri; Liam confides in Walker.

Walker's lies about the Jackal case finally catch up to him; Stella makes a shocking realization.

Walker sets out on a mission; August opens up to Geri and Liam; Luna introduces Cassie to a friend.

Cassie, James, Trey and Luna start to put together the pieces of the Jackal case.

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.