Creatively blocked and recovering from a bad breakup, writer Adrian Hallow becomes obsessed with a series of letters he receives in the mail. Addressed to the previous occupant, who disappeared under strange circumstances, all the letters are written by a serial killer known as ‘K’. At the same time, a mysterious woman appears to Adrian in a series of disturbing dreams, beckoning him to save her. Adrian’s reality unravels as he begins a quest to find the truth behind the woman and her strange co...