Cheyenne is a teenage girl who is having trouble with everyday life while trying to raise her sister and to make matters worse she becomes a proxy. Songstress (cheyenne's dark killer side) soon she falls for The Keeper of Darkness (Slenderman's son). To save the world from the darkness she has to kill her one true love. Can she do it or will she fall at the hands of the darkness? Or she could always just run away with the one person that truly understands her, Jeff the Killer.