Major Ben Costigan is suffering from recurring nightmares involving a sinister faceless shadow man that stalks him.

Kate and Nathan investigate the night terrors of a young boy who's being influenced during sleep by a smiling trickster.

A woman keeps dreaming that her husband is trying to operate on her abdomen.

One by one, the men of a small dying mining town inexplicably fall victim to sleep paralyses after dreaming about a redheaded succubus.

Kate becomes trapped inside the mind of a dying serial killer who still has a few tricks up his sleeve.

Nathan's estranged father-in-law asks him if he could visit his comatose daughter in the dreamworld.

A troubled patient brings a dream of murder to the team, convinced that he has killed a woman he doesn't know. Kate (Watts) believes in his innocence while Nathan and the police are concerned. Joining his dreams where the murder occurs the team start to learn about the others players in the dream and are drawn into chasing the other people that appear in the dream.