Childhood sweethearts William and Mary have been married for sixty years. William is a celebrated surgeon Mary a devoted wife. Both have a strong sense of right and wrong. This is what their son Joe O'Loughlin has always believed. But when Joe is summoned to the hospital with news that his father has been brutally attacked his world is turned upside down. Who is the strange woman crying at William's bedside covered in his blood - a friend a mistress a fantasist or a killer? Against the advice of the police Joe launches his own investigation. As he learns more he discovers sides to his father he never knew - and is forcibly reminded that the truth comes at a price.