After the siblings announce their relationship to their family, they are chastised but continue their affair.
I've had to teach most of my partners how to do things—and obviously he's a middle-aged man, he's had lots of sex, but there was more than that to it, some deep psychic connection.
They both run away from the club in disgust.
Before that they barely scraped by and neither had any idea how they would survive.
He goes on a killing spree under the belief that he is doing God's work.
Grace is Jake's daughter who he sexually abused for years, and later married after he killed her mother.