When Allegra discovers her husband's infidelity after putting her dreams to one side for him, her world crashes down around her. It is the ramblings of her elderly grandfather that awaken her interest in historic interior architecture. On a trip to Florence, she visits her grandfather's birth village in Tuscany. Ready to meet someone new, Allegra is beguiled by a handsome Italian man and becomes involved in a dangerous situation that is the catalyst for an unexpected discovery. Allegra returns to London only to be confronted with bad news. In the wake of her grandfather's demise, she commits to the promise she gave him to solve a family mystery. Sammezzano Castle provides the perfect historic backdrop to stimulate Allegra's love of architecture, and allow her to discover her true heritage while indulging in a passionate love affair.