Please Kill My Husband

Brienne Lutengard was aware that her parents were sacrificing her and their status in society for financial gain, yet she remained optimistic that she could find happiness in matrimony. Nevertheless, the arrival of the new duke of House Lutengard shattered her aspirations. Now, eight years later, the duke has been discovered dead in his residence and Brienne has become a suspect in the investigation. She is not alone, however, as three young men who have been caught up in a scandal with the duchess are also under suspicion. All three are adept with swords and lack alibis for the evening of the murder. Could the duchess be the culprit behind her husband's downfall and if so, what possible motivation could she have had?