'One day, I'm going to be famous,' John Lennon said when he was young - and soon he was! His band The Beatles became one of the greatest in the world, and people loved them. After John Lennon went solo, he wrote some of the most important songs of all time. He was a family man and a peace protestor - he wanted to change the world. But one autumn day, four gun shots rang out across New York, and took away that dream for ever...