When a climber gets caught in a blizzard, she encounters a stranded stranger and must get them both down the mountain before nightfall.

A psychopath uses a family's high tech security system with a ticking time bomb to terrorize them for 90 minutes demanding an answer to his question; 'WHO AM I?'

A mild-mannered teacher and a hazmat specialist have to figure out how to stop an unstoppable creature who feeds on light and energy, and moves with exponential speed, before it destroys everything in its path.