Martin and Kate find that their island retreat is about to become a prison of unimaginable terror. When a blood-soaked stranger stumbles through their door claiming an apocalyptic virus is sweeping across Europe, their lives are turned upside down as they face what could be the end of everything they know. Using all means necessary, they must fight to escape the approaching threat. But escape is only the beginning of their terrifying fight for survival.

Originally produced as a motion picture in 2011. Special features: Retreat: the making of; photo gallery.