It's Walker's birthday and Geri is pulling out all the stops, but her plans are thwarted.

Walker, Cassie and Trey are charged with keeping an 80-year-old grandmother and witness safe.

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, Trey, Cassie and Detective Luna are all hands on deck with their case. Geri is presented with an interesting offer, and Liam jumps in to help. Meanwhile, Stella and August help Abby and Bonham and stumble upon some interesting information. Lastly, James tries to make amends.

Walker, Trey and Cassie prepare for what Captain James has in store for them at HQ. Meanwhile, Stella and August start to put some pieces together. Lastly, Walker makes plans for his future and Liam questions his brother's motives.

Walker, Trey, Cassie and Detective Luna explore more leads as Walker starts to become more and more invested. Captain James notices Cassie and Luna growing closer. Stella goes to Bonham for self-defense training and August excels in his boot camp training. Lastly, Bonham and Abby discuss the future with mixed opinions.