When Jessica is charmed into accepting a job at grand Upton Hall she is not expecting to have to provide full time care for an autistic boy, an asthmatic girl and the sharp-tongued Lady Grace, who is recuperating from hip replacement surgery. But her employer, Lucas, expects even more of his young employee. In his pursuit of a mother for his children he is determined to make Jessica his wife. But where is the children's mother? Fighting her attraction to the beguiling Lucas she is determined to keep her head. A disastrous affair with a London doctor has put her off men, but when he descends on Upton Hall, determined to win her back, Jessica's life is thrown into turmoil.