19-year-old Ben Burns unexpectedly returns home to his family's suburban home on Christmas Eve morning. Ben's mother, Holly, is relieved and welcoming but wary of her son staying clean. Over a turbulent 24 hours, new truths are revealed, and a mother's undying love for her son is tested as she does everything in her power to keep him safe.

25-year-old Alex Borden's chance encounter with a mysterious stranger has found his intellect rapidly expanding, but as the power of his mind grows so too does the mystery of a brutal series of murders. Now, as the killer seems to set his sights on Alex, the frightened genius must use his newfound brain power to put an end to the mayhem once and for all.