Set in the Devil’s Night series by Penelope Douglas, this story follows the second generation of the Four Horsemen and their families. Michael and Erika have two children, Athos and Aaron. Kai and Nikova have Madden and Jett. Damon and Winter have five: Ivarsen, Gunner, Fane, Dag, and Octavia (Tavi). Will and Emory have Indie, Will Grayson IV, and Finn.