Walker

It's Walker's birthday and Geri is pulling out all the stops, but her plans are thwarted; Walker, Capt. James and Trey tackle a case together; Cassie surprises everyone with her return; Abby asks for Liam's help to bring Stella out of her cocoon.

When Maybelline, an 80-year-old witness, is in crucial need of protective custody, Walker, Cassie and Trey are charged with keeping the acerbic matriarch safe, and though Walker and crew call the plays, the wise elder is the one keeping score.

Trey and Liam try to help Walker figure out his next steps with Geri. Liam confides in Walker that he's worried about Stella. Meanwhile, Stella and Sadie look into recent events. August begins his bootcamp training and it is not what he expected.

Walker's lies about the Jackal case finally catch up to him, testing his friendship with his old partner, Captain James. Cassie works a lead in the Jackal case alongside Detective Luna and learns a hard lesson. 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.

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.