When Thad Beaumont was a child, he had an operation to remove a tumour from his brain. during the operation, it was discovered that far from being a tumor, the growth was a twin brother of Thad's that never developed. Years later, Thad is a successful author, writing his serious books under his own name, and his pulp money-makers under the pseudonum "George Stark". When blackmailed by someone who has discovered his secret, Thad publically "buries" George Stark. From that point on, Thad increasingly becomes the prime suspect in a series of gruesome murders.

Max Seed, a mass murderer, is scheduled for execution at the hands of Warden Wright. Before the executioner throws the switch, Wright steps in front of Seed, "Do you have any last words?" Seed, " I'll see you again." After three attempts to electrocute, complete with boiling blood that steeps from his eyes, he's still alive. The executioner, Wright & the doctor collectively agree, that the breathing Seed be pronounced dead. He is bound and buried alive. After biting & clawing his way to the surface, Seed, the blood soaked, enraged madman, is now bent on vengeance. The reign of violence that follows will redefine the boundaries of extreme gore, physical & mental torture explored through cinema.

Medical students begin to explore the realm of near death experiences, hoping for insights. Each has their heart stopped and is revived. They begin having flashes of walking nightmares from their childhood, reflecting sins they committed or had committed against them. The experiences continue to intensify, and they begin to be physically beaten by their visions as they try and go deeper into the death experience to find a cure.