June 8, 1921. Ireland.A British Officer is shot dead on a remote hillside south of Dublin.November 22, 2015. United Kingdom.Former police detective, Jayne Sinclair, now working as a genealogical investigator, receives a phone call from an adopted American billionaire asking her to discover the identity of his real father.How are the two events linked?Jayne Sinclair has only three clues to help her: a photocopied birth certificate, a stolen book and...