Kris and Junior consider a once-in-a-lifetime opportunity to relocate to Alaska for a year to work on a geothermal project in the series' penultimate episode. Meanwhile, Kris finds out that she gets one last race on Wildfire at the Tucker Stakes.
Universal disapproval of Kris and Junior's wedding plans has everyone on edge, and even Kris wonders if she has what it takes to be part of the Davis family. Meanwhile, Dani's return to racing continues to be plagued by her father's interference.
With Jean still out of commission, Kris and Matt do their best to run the dude ranch at Raintree while also preparing for the next race, which features Dani's new horse in the field. Later, Junior and Matt come to blows during a search for a pair of dude-ranch guests who got lost. Directed by James Read, who plays Junior's father, Ken Davis.
Kris and Junior hastily decide to get married, but they're forced to postpone their plans when Jean is injured by one of the horses rescued by Matt, who is unnerved by Kris and Junior's impending wedding. Meanwhile, Dani's interest in racing is reignited after her father buys her a thoroughbred.
Kris hopes that Flame's success in the DuPont Stakes might help Jean change her mind about Raintree's future, but Kris isn't so sure about what part---if any---she'll play in it. Meanwhile, Dani and Pablo urge Junior to fight for what he believes in.
When it appears that Flame is ready for his first race, Kris decides to fight to get her jockey's license reinstated. Meanwhile, an important professional decision for Pablo is clouded by an intensely personal matter.
The pressure is on Junior to decide whether or not to go through with his wedding to Laura after he and Kris share a moment of passion. Meanwhile, Dani considers pursuing a relationship with Noah, and Pablo mulls telling Jean how he feels about her.
Junior's preoccupation with his and Calvin's business proposition takes time away from his wedding plans, but Laura suspects his loss of focus may have something to do with Kris. Meanwhile, Jean objects to Matt's plans for Raintree's adopted racehorses.
Kris and Junior help Matt with his improbable plan to get Raintree back in the horse-racing business, which involves finding Wildfire's offspring, Flame. Meanwhile, Wildfire's condition continues to improve at Dani's clinic.
Jean and Pablo are adamant that Kris leave town instead of sticking around and helping to care for Wildfire; Junior reconnects with an old high-school classmate who could be the key to a financial windfall for the Davis ranch; Matt remains at odds with his mother about Raintree's dude-ranch transformation.
After Kris unexpectedly returns for a glimpse of Wildfire's next race, she gains an unlikely ally and a place to stay. Meanwhile, Matt tries to cope with Raintree's new mission, and Junior ponders his decision to take the next step with Laura.
The fourth season begins six months after Kris was forced out of Raintree, which has undergone significant operational changes that leave Matt pining for the past. Meanwhile, Dani is hard at work on a new business venture, and Junior mulls an important personal decision.