Twenty years after his teenage crush on a football-mad schoolgirl, Gregory is back at his old school, teaching English. When two of his pupils uncover evil practices at a local factory they want their teacher to help them expose the wrong-doer, who happens to be Greg's old schoolfriend.

In 1993, 16-year-old Brandon Lee enrolled at Bearsden Academy, a secondary school in a well-to-do suburb of Glasgow, Scotland. What followed over the next two years would become the stuff of legend.