When fate brings Belfast schoolteacher JJ into the orbit of self-confessed 'low life scum' Naoise and Liam Og, the needle drops on a hip-hop act like no other. Rapping in their native Irish language, Kneecap fast become the unlikely figureheads of a Civil Rights movement to save their mother tongue. But the trio must first overcome the police, paramilitaries and politicians trying to silence their defiant sound whilst their anarchic approach to life often makes them their own worst enemies. In this fiercely original sex, drugs and hip-hop biopic, Kneecap play themselves, laying down a global rallying cry for the defense of native cultures.