Nicholas Longworth fell in love with Lavinia Duplesse on the day she married another. Now years later, Lavinia is a widow and Nicholas has a second chance at happiness.
But only days after the couple celebrate their engagement, Nicholas is sent to France to find a traitor who has been passing on vital intelligence information and killing British agents. During the assignment Nicholas is shot and left for dead. And when he is eventually rescued and returned to London it is with no memory of his previous life or of the woman he was to have married.