"On a night of heavy snow and bitter cold, newlyweds Monica and Greg are comfortably nestled before a warm fire when they're roused by a late-night knock at the door. Surprised to find a troubled and confused woman on the doorstep, Monica is even more shocked when the woman vacantly utters that someone is trying to kill her. Sensing distress but not danger, Monica decides to help this mysterious woman, but her clouded recollections yield little--until...