एक विधुर पिता दो साल के बाद अपने बच्चों से फिर से मिलने के लिए ऑस्टिन लौटता है, हालांकि उसे अपने परिवार का सामना करना पड़ता है और अपनी पत्नी की मृत्यु की सच्चाई की जांच करता है.
एबी के पति की उसकी आंखों के सामने हत्या कर दी जाती है. बदला लेने की अपनी तलाश में, ऐबी का सामना होयट से होता है. उनकी यात्रा उन्हें इंडिपेंडेंस, टेक्सास ले जाती है, जहां उनका सामना उन निवासियों से होता है जो अपने अतीत से भाग रहे हैं.
As Walker attempts to reconnect with his creative and thoughtful son August and his headstrong, somewhat rebellious teenaged daughter Stella, he finds that he needs to navigate clashes with his family.
Walker continues to try to reconnect with his family but finds that his kids have developed new routines with Liam. Old memories of Emily hinder Walker's progress of being recertified to be a Ranger. Micki investigates a suspicious fire.
When his past unexpectedly collides with his present life, 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.
Walker's life gets more complicated when his childhood best friend, Hoyt Rawlins, returns to town. Abeline is thrilled, but Geri has conflicted feelings, and Micki has her suspicions about the real reason he returned to town.
Micki is uncomfortable with the spotlight Captain James puts on her during a current investigation. Walker learns there was trouble while he was away. August stumbles upon some secrets from his father's time undercover.
When Geri decides to sell the bar, it throws Walker for a loop and asks she reconsider and reminds her of all the good times they've had there with Emily and Hoyt. Micki is shocked when her mother drops in unexpectedly.
Captain James and Liam follow up on a tip regarding Emily's murder and head to Mexico for more answers. Trey escorts Stella, August and the girls soccer team to an away game but things takes a dangerous turn.
A tornado touches down in Austin and it's all hands on deck to keep the kids and community safe. Walker, Micki and Trey rush to the school where Stella, August and Ruby are at a school dance.
With the Sidestep now in their name, Walker, Stella and August put their stamp on the place. 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 and things get very complicated when Hoyt comes home from prison, but the welcome home party is interrupted when Micki and Walker get word that Clint West is on the run.
Walker takes Stella and August on a road trip to discuss some devastating news. Captain James enlists the help of Micki and Trey to find a missing military veteran.
Captain James leads Micki and the team into a drug bust with a dirty cop at the center. However, after the cop is inexplicably set free, he targets the Captain's son in retaliation. Walker gives Trey advice on his future.
Micki's real mother, Mercedes, tries to make amends with but Micki doesn't want anything to do with her. Walker steps in to help and lands in a heap of trouble.
Walker and Micki investigate a bomb threat at the school that targeted Liam and Stan. Abeline and Bonham plan a vow renewal. Trey's mother comes for a visit.
Walker and Captain James investigate a high stakes poker game where one of the players may have information on Emily's killer, but things takes a turn when Geri shows up
Walker realizes his life is at risk and confronts Captain James who confesses to him the real reason Micki went undercover. The Davidsons' return home sets Abeline on edge as there is dark history between the two families.
Walker has concerns over Micki going too deep undercover. Captain James and the new District Attorney work together to close the case to bring Micki home. Stella and Colton team up to solve a mystery while under the watchful eye of Trey.
Walker invites Gale Davidson to participate in the chili cookoff to try and make amends after years of their families feuding. Micki and Trey work on reconciling their relationship when she comes home after her deep undercover operation.
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.
