In July 2005, black teenager Anthony Walker was murdered by two white men in an unprovoked racist attack in a Liverpool park. He was just 18 years old. This film tells the story of how this talented young man's life might have turned out.

One day you might find a balloon on the floor and ask: Who did it once belong to? Whose face did it light up? What joy was it once commemorating, now only to be trodden on and wheeled over between alleyways and curbs?