Luke Dawson spent his childhood feeling ostracized because he was the son of the most disreputable man in town. He proceeded to live up to his bad boy reputation through vandalism, petty theft, and other mischief and, as soon as he could leave Rainbow Valley, he did. For the past eleven years, he's been on the rodeo circuit, chasing the bull riding championship that will finally gain him the respect he's always craved. But when he returns to Rainbow Valley for his father's funeral, he injures his knee and is left with a stack of medical bills and no means of support. The last thing he needs is to see her again...

Shannon North has devoted the last ten years to the Rainbow Valley Animal Sanctuary because animals are her passion. They desperately need a live-in caretaker to help out, but they have little money to pay one. So when Luke shows up and wants the job, she's shocked. After all, when they were in high school, Shannon was the beautiful, privileged girl and Luke was the bad boy from the wrong side of the tracks. They spent one night together and she begged him never to tell anyone because she couldn't bear for her family to find out. But he's not the same troublemaker he used to be. As his devotes himself and his time to the animals and struggles to get his knee back into shape to win the rodeo championship, Shannon sees the boy whole stole her heart, the boy she had to share a night of passion with. But he's made no secret of the fact that his heart is anywhere but in Rainbow Valley. This time, will this bad boy break this good girl's heart?