Walker continues to try to reconnect with his family but finds that his kids have developed new routines with Liam. Back at work, Captain James tells Walker he needs to get recertified to be a Ranger, but old memories of Emily hinder his progress. Micki investigates a suspicious fire.

Micki is uncomfortable with the spotlight Capt. James puts on her during a current investigation. Walker talks to Liam about their parents and learns there was trouble while he was away. Trey applies for a new job in town.

Walker takes Stella and August on a road trip to discuss some devastating news. Meanwhile, Captain James enlists the help of Micki and Trey to find a missing military veteran.

Micki’s real mother, Mercedes, tries to make amends with her daughter but Micki doesn’t want anything to do with her. Walker steps in to help and lands in a heap of trouble. August suffers from PTSD after what happened at the Ranch.

Walker’s world is shattered after receiving shocking news that changes everything.