Two high school nobodies make the decision to crash the last major celebration before the new millennium on New Year's Eve 1999. The night becomes even crazier than they could have ever dreamed when the clock strikes midnight.
When fate brings Belfast teacher JJ into the orbit of self-confessed "low life scum" Naoise and Liam Óg, the needle drops on a hip-hop act like no other. Rapping in their native Irish, they lead a movement to save their mother tongue.