The symbol seekers

In 1867 a box treasured by a distinguished American exile in England is stolen. Three battle-hardened ex-Southern soldiers from the recently ended American Civil War arrive on an unusual mission: two go on a hectic pursuit of the box in Liverpool and London, whilst the third takes a path that could lead to the gallows. Detective Septimus Dacers and Roberta Van Trask, the daughter of an American diplomat, risk their lives as they attempt to foil a grotesque scheme that could cause war between Britain and the United States ...