This story reads like you are dying to see who the crazy one. Alex has been with her father and not much socializing leads her to jump into a relationship maybe she shouldn’t. Beth her estranged sister shows up from a mental hospital and she seems jealous and warns Alexa her new boyfriend just doesn’t seem like he is “normal” but Alexa is happy and struggles it off. Now I want to see who the crazy one is. A thriller about sisters seems no stop action. Sisters can do that out of rage and jealousy.