The greedy Braylon owns the Just Rite Sugar Company and has hired the unethical scientist Sergei to conduct an experiment to make an addictive sugar stronger than heroin or nicotine to increase his sales. Sergei uses invisible people as test subjects, like beggars, addicted junkies and illegals, in the clandestine Shadow Rock Mill. When Braylon’s men mistakenly kidnap Ryan, who is the brother of his secretary Erin and son of his security chief Griff, and Hannah, the youngster becomes an important non-contaminated subject. However, Erin receives some mysterious e-mails from the unknown Cinderella with a picture of Ryan and a hint that he might be in Shadow Rock and together with her father, they decide to seek out Ryan.
Not long after John Chambers and his family arrive at their new home in a small country town of Pennsylvania, John begins to experience sleep paralysis. Lying there paralyzed, trapped within his own nightmare, other-worldly beings visit John. They are entities which exist in the darkest shadows of the night and can only be seen out of the corner of one’s eye. These encounters begin to haunt John, transforming to complete terror as he discovers the entities’ sole purpose… the abduction of his seven year old son, Nathan