4.7/ 10
Reviews
Where to watch
Philo
AMC Plus Apple TV Channel 
AMC+ Amazon Channel
AMC+
YouTube TV
Sundance NowOverview
Mark Fisher disappeared from his home in a brilliant flash of blue light almost two years ago. His friend Seth Hampton was the last to see him alive. Now a string of grisly, violent murders leads Seth to believe that Mark is back, and something evil is living inside of him.
