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.

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

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.

Colt and Rooster worry when Beau has a change of heart about the calves. But that's just the beginning of the surprises that await the Bennett clan.

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

Heather sets up Rooster with her sister, but Colt's afraid he'll ruin a good thing. Maggie and Beau air their dirty laundry at marriage counseling.

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 Heather drops a bombshell, a visit from Abby's parents is the last thing Colt needs -- and they all end up at church together on Christmas Eve.

Beau leaves the boys hanging about the Peterson ranch. Rooster takes Jen on a date. Colt and Abby fight about their future.

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.

Maggie stands up for Rooster when Beau kicks him out of the house. Meanwhile, Colt is torn between his brother and his father.

Heather makes a decision about the pregnancy. Mary reads Rooster the riot act for keeping it a secret, and Colt struggles with how to tell Abby.

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.

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

Colt figures out what he wants from Heather. A sick calf gives Beau an excuse to avoid dealing with his feelings -- and creates some unexpected bonds.

While Rooster tries to broker peace between Beau and Maggie, Colt apologizes to Heather -- but his timing couldn't be worse.

Colt's new responsibilities keep him away from Abby. After a memorable night, Maggie ponders what she wants for her future.

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.

The ranch's dwindling finances drive a wedge between Beau and the boys, and Colt goes behind his father's back to ask Maggie for help.

Beau and Maggie come to a decision about their relationship, but they don't see eye to eye about the ranch. The boys take Kenny out drinking.

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.