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.

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.

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.

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

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.

Beau tries to make amends with the boys, but it may be too little, too late. A job offer drives a wedge between Rooster and Colt.

After a heart-to-heart with Maggie, Colt steps up and supports Heather. Meanwhile, the tension between Rooster and Beau takes a toll on Maggie.

The guys wind up in hot water after an ice fishing trip. Beau takes Brenda out to dinner, but Maggie's not far from his mind.

Emotions run high when Abby and Heather fight, leaving Colt caught in the middle. Rooster faces the consequences of blowing off work.

During a snowstorm, Colt and Abby head out of town, Beau and Joanne get cozy at the ranch, and Maggie meets a charming stranger.

Colt wants to buy Sam Peterson's ranch -- with or without his family's blessing. Colt and Heather have a heart-to-heart about their loss.

Wondering if he's ready to marry Abby, Colt seeks romantic advice from an unlikely source: Beau. Rooster hires a flaky new waitress.

Abby moves in with Colt and Beau when she learns she’s losing her job. Rooster and Jen the engineer bond over getting dumped.

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.

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

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

Luke, Colt and Beau find Mary in bad shape in Nick's trailer. While Luke brings Mary back to the ranch, Colt and Beau wait for Nick.

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

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.

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.

Colt runs into an ex at Maggie's bar and reminisces with Rooster over a bottle of whiskey. Getting back in Beau's good graces is a losing battle.

Colt realizes what he wants for his future, Beau and Maggie find some closure, and the gang celebrates Christmas at the bar.

Colt smooths things over with Abby. When Maggie drags Beau to the Marriott for a romantic evening, the guys have some fun back at the house.

Rooster and Colt try to prove themselves to Beau, but he doesn't have much faith in them. Colt gets jealous when he sees Abby and Kenny together.