Although first and foremost an artist, Paul 'The Beaver' Trevillion is a man with brilliant ideas. His long career has introduced him to all the world's leading sportsmen, as well as royalty and politicians, and given him unique insights, drive and self-belief. Those qualities and ideas he took to Don Revie in 1972, aiming to improve the image of the club and bring the players closer to the fans. Inventions such as sock tags, Target Balls and a hit single that became an anthem are remembered and loved to this day. New concepts including pre-match warm-ups and putting a player's name across his shoulders proved Trevillion was decades ahead of his time. In fact everything he suggested worked and together his efforts turned Leeds United into the world's first modern day football club. And it only took him 50 days. Now, 50 years later, all the incredible secrets of that brief but unforgettable time are revealed...