Chicago's location at the end of a canal linking the Mississippi to New York makes it attractive to Yankee speculators as well as Irish laborers. In just a few decades, the remote fur trading post explodes into the metropolis of the West. Not even the great fire of 1871 can slow the city's development.

From the railroads to Marshall Field's department store to Cyrus McCormick's reaper factory to the stockyards, workers struggle for their share of a new industrial capitalism. The Haymarket Affair becomes the most sensational labor incident of the 19th century.