Starting in New York and finishing in the heart of America, Nashville, Tennessee, Billy heads far off the beaten track into the places you ve heard of but have rarely seen. As he follows the migratory trail of the Scots, he discovers the extraordinary places and people that make today s America, with its diverse heritage of immigration. This is a series bursting at the seams with music, football, gangsters, whales, real life moonshiners all tied up together in this incredible story of the land of the free, as seen through the eyes of one of the world's most loved comedians.