Autumn 1916 and stylish lady detective Miss Isabel Hewitt is asked to look for her friend Dilly Gosling the Music Hall artist who has gone missing. No one knows where she is. Isabel begins her search, a journey that takes her to the Front in Northern France and then down to Hastings on the south coast of England. But there is danger in the air and Isabel must risk injury to find the missing link that is key the to the mystery.