County Durham, during the endless, violent 1984 strike against the Thatcher closure of British coal mines. Widower Jackie Elliot and his firstborn, fellow miner Tony, take a dim view of 11 year-old second son Billy's poor record in boxing class, which worsens when they discover he sneakily transferred to the neighboring, otherwise girls-only-attended ballet class. Only one schoolmate, closet-gay Michael Caffrey, encourages Billy's desire, aroused by the teacher, who judged him talented enough...