The Italian Alps,1944. The Resistance is fighting a bitter battle against German forces on the treacherous mountains of the Valtellina. Eighteen-year-old Sandro Bellini falls in love with the wife of his Commander. No good can come of it. London,1999. Michael Keats is mourning the death of his wife, killed in a hit and run accident in Northern Italy. His discovery that she had been having an affair devastates him and he sets out to find the identity of her lover. That journey leads him to the villages of the Valtellina, where he becomes embroiled in a crime of treachery and revenge.

The brutal repercussions of the war are still reverberating, and as Michael uncovers the truth of his wife's affair, he reveals five decades of duplicity and deception.