Spain's duchess

During a ball in Guadalajara, two politicians went missing. After a week, their bodies were found. The news alarmed the Viceroy, the vice-regal ministers and the people of New Galicia. The detectives suspect a mestizo duke of involvement. The daughter of this duke, Fiona, was not even aware of all that happened. She was a 'party girl' having a good time with her cousins and friends in Guatemala City. Until, she also became a suspect...