London, 1885. When police detective Michael Baker meets Amelie Hampton, he is captured by her beauty and quick mind. When a woman's body is pulled from the river, Michael suspects the husband - Harold Radcliffe - of foul play. Amelie refuses to believe Harold is capable of such violence but agrees to help. Her social connections and clever observations prove an asset to the case, and Amelie is determined to prove Radcliffe's innocence. But Amelie and Michael realize Radcliffe is hiding more than one secret, and when his attention turns to Amelie, Michael must put an end to this case before the woman he loves comes to harm.