Grace Scott returns from honeymoon with her new husband, Mac, to find a man lying dead in their new Edinburgh flat. They don't know who he is or where he's come from. The mystery of his identity remains unsolved. Then, three months later, Grace finds a note tucked inside one of the wedding gifts which sends her on a journey to discover what really happened in her flat. A journey that becomes more dangerous the closer she comes to the truth ... What she discovers will change her life. Set in Edinburgh and travelling to Amsterdam, Paris and Copenhagen, City of Strangers is a gripping story of deception, lies and corruption.