In the 1980s, Dom is a teenager who gets captivated by the alluring subculture of football ‘casuals,’ led by the influential figure, Bex. Dom’s quick wit and humor earn him a place within the group, and he quickly becomes one of them. However, as Bex and his crew engage in increasingly violent confrontations with rival groups nationwide, Dom starts to see the dark side and decides he wants to leave. Unfortunately, he soon discovers that extricating himself from this world is far more complicated than he anticipated.