Rancher’s Embrace by Bonnie Poirier

Three years ago, Kristin Maddox walked away from the only man who ever truly saw her.
She was able to move on with her life, until one fall in the arena brings everything crashing down, and straight into the arms of Lincoln Felder.
He was her first love, her biggest heartbreak, and the one mistake she never stopped regretting. But when danger follows her home, Kristin learns that the man she left behind has been quietly watching over her all along.
A forced marriage meant to protect them both ignites old flames neither can ignore. The threats increase, and Lincoln tries to shield her from them, until they get too close. Now Lincoln will do whatever it takes to keep her safe, even if it means breaking the rules, his promises, and his own heart.
Because when it comes to Kristin, now that Lincoln’s got her, walking away will never be an option.

This is the last book in the Flying Diamond 5 Ranch Series. If you haven’t read the first four it will be helpful for the storyline!