Nobody gets a free ride on this train! It's the great depression and the US is now home to many homeless hobos. Shack is a particularly nasty piece of work, devoid of any compassion for the homeless, he prides himself on not letting any one ride free aboard the train he conducts upon. But in the midst is hobo supreme, A No. 1, a man who is never afraid to take up a challenge, so along with Cigaret, a young…