It's Walker's birthday and Geri is pulling out all the stops, but her plans are thwarted. Walker, Captain James and Trey tackle a case together and Cassie surprises everyone with her return. Abby asks for Liam's help to bring Stella out of her cocoon. Meanwhile, August is enjoying his senior year of high school, leaving Walker feeling like an empty nester.

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. Liam helps Cassie sift through the clutter. Lastly, the family works together on a fundraiser.