Kai and Katherine are married, in Mystic Falls wanting to start over in a new life. As their relationship dynamic takes a new turn, Kai continues to repeat the cycle of obsession with a girl, Bonnie Bennett.

After the death of her parents Bonnie Bennett, has to move into a foster home that's a huge, descript old mansion. However, all the kids are hidden in a room just below the attic. No one ever visits, but Bonnies grandmother and mother. she slowly starts to see what's wrong with the place.