Set in a near future, technology-reliant society that pits man against killing machines. Against this backdrop an elite army unit is helicoptered to a remote, off-the-grid island training facility. What starts out as a simple training exercise for Captain Bukes and his tight-knit unit, descends into a terrifying battle to the death, as the marines discover the island is overrun by an enemy that transcends the human concept of evil.

On the death of his father, Tim Webber returns to his childhood village in Somerset to find something sinister is disturbing the idyllic peace of the villagers.