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.
Kris tries to repair the rift between Matt and Junior, but the tension is exacerbated by the approach of the important Bristol Stakes and the return of Gillian, who proceeds to resume her bonding with Junior.
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.
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.
In the series finale, Junior's schedule goes haywire when an urgent matter in Alaska that requires his attention coincides with Kris' ride on Wildfire in the Tucker Stakes and their wedding.
With Pablo away, Matt trains Kris for her first turf race on Wildfire while simultaneously secretly training Wildfire's competition Dani's horse Picaro.