When disgraced former police officer Harriet Kealty discovers a plea for help in the margins of a second-hand book, she sets out to unravel a mystery that quickly leads her to confront some uncomfortable ties to her own life, including her ex-lover Ben. Following the deaths of his close friends, Ben became an adoptive father to their orphaned son Elliot. But Harriet suspects that Ben knows more about these deaths than he's willing to say...

What starts as a simple investigation becomes something entirely different in this moving story that will open hearts and minds as it answers the question: what would you do for one more moment with someone that you love?