Already established as America's premier port, New York City swelled into the nation's greatest industrial metropolis as a massive wave of German and Irish immigration turned the city into one of the world's most complex urban environments, bringing with it a host of new social problems. Episode Two reveals how the city's artists, innovators and leaders, from poet Walt Whitman to Frederick Law Olmsted and Calvert Vaux (the designers of Central Park) grappled with the city's growing conflicts -- which culminated in the catastrophic Civil War Draft Riots of 1863.

As New York spilled into the new century, the extraordinary interplay of capitalism, democracy and transformation surged to a climax. During a single generation, over 10 million immigrants arrived in New York. The city itself became an even more dramatic lure with the construction of the first subways and skyscrapers. And arising from the plight of New York's most exploited citizens came landmark legislation that would eventually transform the lives of all Americans.