City of silver a mystery

In the midst of a Grand Inquisition, Mother Maria Santa Hilda finds herself at odds when the daughter of a wealthy man mysteriously dies in her care. Despite the fact that it looks as though the girl committed suicide, she has her buried at the convent, a decision a powerful enemy will use against her. Her life at stake, the Abbess and her fellow sisters find themselves in a race against time to prove the true cause of the girl's death.