Lucas Cortez was never planning on coming back to Topaz Falls. To everyone in town, he's the hoodlum who set fire to the stables on the rodeo grounds when he was eighteen years old. Little do they know, he took the fall to protect his little brother. But now his father is battling Parkinson's disease and Lucas must come home.

As a single mom, Naomi Sullivan keeps her beloved daughter's world perfectly organized. As the finance manager at the Cortez Ranch, she reconciles the books to the penny. Everything is wonderful until Lucas Cortez, her disgraced high school sweetheart, comes back to Topaz Falls. She was heartbroken when he was sent to prison at the end of their senior year. In her grief she made a mistake and slept with his friend, Mark. But, she never knew for sure if she was carrying Mark's baby or Lucas's. But now Lucas is back and her perfectly ordered world starts to unravel. As she spends time with him, she forgets about her boundaries and sees the man she'd once loved. But things get complicated when her ex comes back to town and wants to be a part of their daughter's life. Suddenly, Naomi finds herself facing the secrets of her past head on.