Fan Casting Father-Daughter Reunion

Read the story here https://www.wattpad.com/story/299310235-father-daughter-reunion, William and Elizabeth are reunited after years of being apart, however. It's not all sunshine and rainbows, as a secret society worshiping William known as The Mindnight Bloods has plans to kidnap the newborn child of Charlotte and John and use a sample of William's blood to turn the infant into an asassian that will grow up to kill corrupt Mayor Osborn. Can William and Elizabeth save Charlie and John's baby before he becomes a cold hearted killer?