It is London 1915 and Great Britain is at war with Germany. Feelings are running high as the liner the Lusitania has just been sunk off the Irish coast and Zeppelin raids have begun on London. Stylish lady detective Miss Isabel Hewitt is approached by a young convalescing soldier Captain Alex Fraser. He is anxious to trace his natural mother as he was given away at birth. Isabel agrees to take on the case even though she suspects the mother may be a friend of hers. Her inquiries eventually lead her to Brighton where Captain Fraser is staying. But a girl's body has just been found on Hove beach and soon Isabel is forced to look into it with shocking results..
