Watch Free Online on Hurawatch. Kathryn Joy was three months old when their father killed their mother. He served just 22 months and by age four, Kathryn was back living with him in the house he killed their mother in with little knowledge of what happened to her. Spanning over forty years, Revealed: KillJoy follows Kathryn from a child into adulthood as they embark on a journey to uncover their mother's buried story.