It’s the 17th Century; the armies of Spain are slaughtering their way across the New World, and one renowned conquistador, Antonio de Erauso, is famed for his ferocity – until, on trial for murdering his own brother, facing execution, Antonio pleads for clemency – by revealing that he’s actually an escaped nun. Imprisoned and enchained, haunted by the ghosts of the slain, the Lieutenant Nun confesses the story that has been kept secret for so long….