Walker

Cordell Walker returns home to Austin, Texas, after being undercover for two years, only to discover there's harder work to be done at home.

Walker continues to try to reconnect with his family, but finds that his kids have developed new routines with Liam; Capt. James tells Walker he needs to get recertified to be a ranger, but old memories of Emily hinder his progress.

Walker's life gets more complicated when his childhood best friend, Hoyt Rawlins, returns to town; Abeline is thrilled to have Hoyt home, but Geri has conflicted feelings; Micki has suspicions about the real reason Hoyt returned to town.

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 is forced to resume his undercover identity to keep his family safe; Micki gets caught up in Walker's old case; August threatens to blow his father's cover; Trey starts his new job.

When Geri decides to sell the bar, it throws Walker for a loop; Micki is shocked when her mother drops in unexpectedly.

Captain James and Liam follow up on a tip regarding Emily's murder; Trey escorts Stella, August and the girls soccer team to an away game, but things take a dangerous turn; Micki learns some shocking news.

A tornado touches down in Austin; Walker, Micki and Trey rush to the school where Stella, August and Ruby are at a school dance; Liam and Bret get trapped in an elevator.

Walker and Captain James investigate a high-stakes poker game in which one of the players may have information on Emily's killer; Micki takes August and Stella on an unusual adventure.

Liam turns to Bonham for advice on a career move; Micki and Trey work through the aftermath of his injuries after the hurricane; Stella confronts Clint about Trevor and his response prompts Stella to make a dangerous decision.

Walker and Geri are both unsure of their feelings for each other after their kiss; things get very complicated when Hoyt comes home from prison; the welcome home party is interrupted when Micki and Walker get word that Clint West is on the run.

Flashbacks reveal the days right before and after Emily's death and how the entire Walker family dealt with the sudden, tragic loss.

Walker's past comes back with a vengeance and it threatens the very thing he loves the most -- his family.

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

Micki's real mother tries to make amends with her daughter; August suffers from PTSD after what happened at the Ranch.

Capt. James leads Micki and the team into a drug bust with a dirty cop, Officer Campbell; after Campbell is inexplicably set free, the cop targets the captain's son, DJ, in retaliation; Walker gives Trey advice on his future.

Walker and Micki investigate a bomb threat that targeted Liam and Stan at school; Abeline and Bonham plan a vow renewal; Trey's mother comes for a visit.

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