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.

Walker attempts to make this the most memorable Thanksgiving ever in the hopes of luring Stella to return home, but when the family's annual "Circle of Thanks" turns into a circle of grievance, tensions bubble over- leaving things worse off than they began, with one member of the Walker family being rushed to the hospital.

Cordell and Cassie intervene in a hostage situation at a server farm, but something Trey finds indicates something more sinister is at play. Meanwhile, August tries to smooth things over with his grandparents, Liam attempts to step up his responsibility within the family business, and a luncheon awkwardly reunites Cordell with someone from the past.

Cordell is tipped off that Grey Flag may still have him as their prime target. Meanwhile, Captain James has discovered that Cordell and Cassie weren't truthful about some top-secret information and Trey's involvement in the prior week's case lands him in hot water. Abeline and Bonham disagree on how ready Cordell is to handle his responsibilities, while Liam continues to pursue his new business venture, despite his dad's displeasure over his son's new partner.

Cordell and Cassie soon realize they aren't the only ones keeping secrets, leaving Cassie to question who she can trust. The rest of the family focuses on the horse rescue, but they still find themselves facing a few challenges.

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.

Stakes are high as Cordell, Cassie, Captain James and Trey all realize Grey Flag's plans and partnerships extend deeper than they once thought. While the Walkers plan for the Mayor's Medal Ceremony, Cordell struggles with missing out on time with his kids as he focuses on trying to keep the whole city safe.

In the thrilling second half of a two-part episode, the Texas Rangers and the Walker Family must contend with Grey Flag’s plans and one truth… that everything was a lie.