In 2003, a businessman answered a knock at the door of his remote cottage in the Scottish Highlands. He was shot dead on the threshold, whilst his dinner guests sat in the next room. The killer was never found. When DCI Dani Bevan attends a conference on notorious cold cases, she is intrigued by the shooting. The DCI meets a member of the original investigation who begs her to help him solve the case which brought tragedy to all those it touched. -- from back cover.