 When Chad is accused of murdering Serena Mason and Paige Larson Abigail sticks up for him even though Ben believes Chad is the killer because Chad has no memory of the nights the girls were murdered.Abigail's cousin Will Horton is murdered and Abigail still believes Chad is innocent.It is soon revealed that Ben is the killer and before leaving for Hope Williams Brady's wedding to Aiden Jennings, Abigail realizes the truth.