Miserere Mei: Have Mercy on Me

"Listen, Catherine. All I need is a child. A child of Cavendish blood."
Just three months after their marriage, her husband died. He left a will asking her to bear a child who will continue the family line.
But Catherine could not have a Cavendish child. There was no man left in Cavendish who would continue that line. That’s what she thought.
“It’s a pleasure to meet you, my sister-in-law.”
But on the day of her husband’s funeral, her husband’s half-brother David, whom she never knew existed, appears and says,
“Get out the casket, get out the casket!”
Just before the burial, her husband Saul miraculously comes back to life and strange things begin to happen...