How would you have liked to been around 2,000 years ago on the Day of Pentecost, when the Holy Spirit fell? How about some of the great revivals in church history like "The Great Awakening," Azusa Street, and "The Welsh Revival"? Jewish filmmaker Warren Marcus spent 8 years filming the three greatest recent revivals of North America. And when he shows what he filmed revival begins to stir and people get touched by the supernatural power of God.