Find out what happens after the lights go out at the world's trendiest eateries. World renowned chefs divulge their best-kept secrets to celebrity chef Daniel Boulud after hours. This episode features Blue Ribbon Restaurant in Brooklyn, which is arguably the tastiest sushi joint in all of New York city. When Daniel heads there after closing, he finds out how the sushi chefs locate the finest cuts of fish, which recipes work best, and how they are made.