Emma Winberry and her significant other, Nate Sandler, are supernumeraries in the Midwest Opera§s upcoming production of The Ghost of Versailles. The title turns prophetic when the lead soprano screams that there§s a strange man lurking in her dressing room and the police find no evidence to support her claim. When money is stolen from the office and a guard is seriously injured, everyone assumes it is the work of the mysterious stranger. Everyone except Emma.