After she fails the audition for ‘The Sound of Music’, Perfidia decides to become a real nun. At the convent she becomes a spy for the catholic church, under the influence of a Nazi Priest. Her mission is to blackmail ex-catholics making them follow the religion of the pope in exchange for their lives. Perfidia starts the be known as Mata Hari, in honor of the exotic dancer and spy killed during WWI. She also has the mission to investigate the murder of the millionaire Hare Krisnha With the objective of finding out who stole the woman’s fortune. The investigation leads Perfidia to Ramon Chandler the fake producer who failed her audition for ‘The Sound of Music’, putting an end to her dream of becoming a star.