'All of Royal, Texas, wants to know who the father is.' Colt Black is stunned to learn he has a secret son. And he owes Sierra Morgan big-time for bringing him together with baby Micah. Indulging in the connection with Sierra is an irresistible risk, especially after she moves in to help him with the baby. But soon Colt learns Sierra's life-changing secret...and their newfound arrangement may never be the same.