Matthew, a successful Chicago investment analyst, is diagnosed with a rare and fatal form of brain cancer, which he fends off at first. Four years later, though, the disease takes a turn for the worse and his life is turned upside down. Partially paralyzed, suffering from brain fog and in a great deal of pain, he goes looking for relief online. What he finds are the worst kind of internet criminals lurking on the dark web, looking for people just like him, suffering in their darkest hours.