After participating in an experiment for an irresistible amount of money, Stephen and fellow students at the University of Wisconsin-Madison start to see dark figures that haunt them in their peripheral vision.
As the shadows become more substantial, these apparently supernatural beings seem to be driven with murderous intent toward Stephen and his friends.
Trying to find out why they are the target of these dark figures, the group discover the experiment was an entrance for what they thought was a secret invasion.
One that’s been ongoing for over a decade.
Discovering that certain members of humanity are in league with the dark figures, Stephen’s circle of trust dramatically shrinks as it becomes impossible to tell who is friend and who is foe.
Trying to save himself and his friends, Stephen seeks to uncover the origins of the dark figures and their reasons for invading our world. But sacrifices must be made…