Walker tells his family about the surveillance cameras in their home and partners with Denise to lure out whoever is watching them. Liam doesn't trust Denise, or her husband Dan, which frustrates Walker who is trying to mend the rift between the families. Micki continues to deal with the ramifications of her time undercover.

A feisty officer Perez mistakes Cordell for a suspect. Trey offers to help Liam with a project. Meanwhile, Colton is struggling with his feelings for Stella.

The Walkers pull out all the stops to celebrate Abeline and Bonham's anniversary. Cassie finds a piece of her past and Cordell needs a favor from Geri.

Walker makes good on his promise to Liam to finally discuss captivity, and painful details from the past inform the present to help the Rangers eliminate a dangerous threat. Meanwhile, a new case forces Cassie to confront her aversion to dating.

After a shocking revelation, Cordell and Cassie set off to find out more about Grey Flag’s nefarious plans. Liam's and Stella's plan for the horse rescue appear to finally be coming together when a big-time philanthropist offers her support, and the Walker family joins forces to move the project along quickly. Trey's new assignment lands him in unfamiliar territory and a new partner could compromise his focus.

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

Stella goes to Bonham for self-defense training; August excels in his boot camp training.

Geri is upset with Walker for not opening up to her; Cassie, Trey and James conduct more interviews.