Anyone who knows the date of their death has already begun to die. It's Saturday, just after 10 p.m. and Jules Tannberg is waiting for a call. Jules works at a voluntary 'walk me home' telephone service protecting lone women as they make their way home at night. Jules has never had to deal with a truly life-threatening situation. Until today, when Klara calls. The young woman is terrified. She thinks she is being followed by a man who has attacked her before. A man who drew a date in blood on her bedroom wall: Klara's death day. And that day dawns in less than two hours...