While Cole gets into the holiday spirit for his first Christmas with Maya, Murtaugh hopes he can convince RJ to come back home from Costa Rica for the holidays. Cole…

Former international CIA operative, Wesley Cole returns home and assumes duty as a police officer with the LAPD. Cole will find himself navigating a new partnership with Murtaugh, as he…

New partners Murtaugh and Cole attempt to find a steady rhythm as they work to solve the murder of a finance executive. Cole navigates his role with his ex- and…

Cole juggles the realities of his job and his duty to be a good parent, as he and Murtaugh work together to bust a gang running a lottery scam. Murtaugh…

Beau’s at the end of his rope and decides to teach Colt and Rooster a lesson. Mary realizes she needs to choose between Rooster and Nick.

Beau’s softer side emerges when he takes Luke under his wing, but Colt doesn’t trust his cousin. Maggie comforts an exhausted Abby.

One month later, tensions run high as Colt and Abby scramble to get ready for the baby. Lisa Neumann makes Beau an offer.

Nick confronts Rooster. Running out of options, Colt reaches out to Lisa Neumann. Joanne urges Beau to make peace with Colt.

While Abby’s in Denver teaching, Colt works to rebuild the Peterson ranch. Rooster misses his first day of work.

Four months later, wildfires rage in Colorado. Abby wants to postpone the wedding, but her parents don’t approve. Joanne stands up to a stubborn Beau.

Colt hides the truth from Abby as their financial woes go from bad to worse. A drunken night leads to an awkward morning after for Mary.

In the wake of his heart attack, Beau vows to stop sweating the small stuff — but Colt and Rooster’s latest blunder makes him lose his cool.

When Colt lands in trouble covering for Rooster, he tries to cash in a favor. Beau invites Joanne to stay at the ranch. Colt plans a surprise for Abby.

The Bennetts return to the ranch. Beau gets a business proposition from Neumann’s Hill. A face from Maggie’s past arrives with news.

Fires force the town to evacuate. While Maggie takes charge, Beau feels hopeless. Colt runs into Heather, and Rooster meets Mary’s boyfriend, Nick.

Beau intervenes to keep Colt out of trouble. Abby and Colt follow a lead. Maggie returns to Garrison, and Mary wrestles with guilt.

Colt tries to keep his cool as he worries about Abby — and wonders if he’s ready to be a dad. Maggie catches Mary in a lie.

While Abby and Colt struggle with parenting an infant, another new arrival shakes things up at the ranch. Maggie confronts Mary.

Colt and Mr. Phillips search for Abby. Heather warns Rooster about Nick. An unexpected celebration brings everyone together.

Torn between the ranch and a job opportunity, Colt wonders what’s best for his family’s future. Mary offers to work at Maggie’s bar.

Money troubles put a strain on Colt and Abby’s relationship. Beau tries to get Luke help for his PTSD but refuses to bail Colt out of a jam.

Maggie fights to keep the ranch afloat as she reaches a breaking point with the boys. Easter dinner with Abby’s parents takes a surprising turn.

Beau issues Luke an ultimatum. As Colt tries to prove himself to Abby, Luke makes him an offer — but Mary drives a wedge between them.

After a fight with Nick lands Colt in hot water, Mary presses her ex for the truth. Beau delivers troubling news.

Beau gives Colt a taste of his own medicine. Mary asks Luke for help paying the mortgage. Colt confronts Abby about not getting to see Peyton.

Joanne shares difficult news with Beau. Abby helps Colt with a business idea. When Mary goes missing, Heather takes drastic measures.

As Colt battles the elements, he leaves Abby a poignant message. Armed with a new perspective, Beau surprises Joanne.

Luke urges Mary to go back to rehab. The police find a gun near the trailer and make an arrest, leaving Colt struggling with his conscience.

Abby invites Colt out for a birthday dinner … which might be a date. But the plan goes off the rails after Colt has an argument with Luke.

To celebrate their last Thanksgiving on the ranch, Colt and the guys go on a turkey hunt. Mary checks into rehab.

Colt tries to round up the other ranchers to give Neumann’s Hill some competition. After another argument with Abby, Colt signs the divorce papers.

Colt, Beau and Luke bond during a road trip to New Mexico. Back home, Abby runs into Mary and Nick.

Out on bail, Mary breaks into her old house to grab her stash. After a talk with Dale, Joanne has a change of heart. Colt and Beau confront Lisa.

Luke’s friend from the service offers him a job. Meanwhile, trouble brews with the co-op. Maggie tells Beau that she’s met someone new.

Abby asks Colt for space, but he finds every excuse in the book to drop by. Luke and Mary tie the knot in Vegas. Lisa Neumann accuses Colt of theft.

Back in Colorado, Luke works to win back Colt and Beau’s trust. Abby invites Colt to a teachers’ mixer. Mary struggles to stay clean.

Abby and Beau pressure Colt to take Lisa’s deal, but support from the local ranchers leads him to waver. Stress causes Luke to lash out.

In the series finale, Luke opens up about his struggles, Maggie throws one last Christmas party at the bar, and Colt gives Beau a heartwarming gift.

Jerry warns Colt that Lisa Neumann has a good case against him. And when Luke bails on work, Colt has to miss Peyton’s baptism.

Colt asks Abby to lie to the police. Joanne and Beau have a heart-wrenching talk about the future. Mary tells Luke she wants to go to rehab.