Max Peters, known around the world, wakes to find his phone has been hacked. As the social media tornado begins, his publicist, acting coach, and manager assemble in his London flat to contain the situation and find out who is responsible.

Six people bound together by a traumatic experience decide to round off a year of group therapy in style. They join each other once more, traveling up to the Scottish Lowlands for a reunion weekend in a 1970s holiday let. Soon a number of mysterious and horrifying events start to expose the cracks in their relationships, and one by one they discover that trust runs but skin-deep. A night of closure turns out to be far more final than they could have anticipated.

15 months after the apocalypse, a group of survivors are forced to take refuge in an abandoned school, where they encounter a mysterious zombie with the power to bring the undead back to life.