You're the father. After leaving her late cousin's baby on the Dalton doorstep, Grace Templeton poses as a nanny to discover which of the billionaire twins is the father. Grace promised to protect the child, but she didn't plan to fall for the seductive brother she learns is the daddy. For single dad Blake, there's only one priority-protecting his daughter from whatever secrets Grace won't reveal. He'll get the truth from her-any way he can. And until she talks, he'll keep the temptress at his side all day...all night. Not as the nanny, but as his wife!