Easter. Port Talbot is in a battle for its life. Authoritarian forces have taken over and the town is in thrall to ICU, a sinister and merciless corporation depleting the town of its resources with scant regard for the residents. The atmosphere is explosive. Resistance is inevitable. When a company man and suicide bomber clash on the beach, catastrophe is only averted by the intervention of a softly spoken man who had disappeared 40 days earlier. Revealed later as the Teacher (Michael Sheen), he attracts followers and becomes a focus for the Resistance. His influence quickly draws the attention of ICU, who perceive him as a danger who must be removed at all costs…