Aliyah was walking home when she encounters a monster . She became half monster. Meanwhile her brother Dave who is a detective is out there fighting the battle with people who had an encounter with the monster venom. He got to know his sister is half monster . Will she allowed her only sister whom their parents had told him to take care of die because she's half monster?Where did the monster come from? How did they overcome this monster? Dave parents died a tragic death. Is he able to know what caused their death? There was connection between his late parents and the monster. What's the connection??