And so, it has all come down to this. Gyp Rosetti rules 'Boardwalk Empire's Atlantic City, while Nucky Thompson hides in the shadows and looks for his moment to strike back and reclaim his empire. This Sunday's 'Boardwalk Empire' season 3 finale "Margate Sands" will lay it all on the line as Nucky joins forces with some surprising allies to take back Atlantic City, but who will pay the price along the way? Will the blood flow as much as the booze? Check out the latest clips from "Margate Sands" for a taste of what's to come from the finale!