Al Capone may be the most famous Chicago mobster, but his successor, Frank "The Enforcer" Nitti (Anthony LaPaglia), was just as ruthless. This biopic goes to great lengths to accurately trace Nitti's rise to the top of the Windy City's underworld, amid corruption, betrayal and violence. The result is an engrossing glimpse into mob life in the early 20th century.

A young but bright former window cleaner rises to the top of his company by following the advice of a book about ruthless advancement in business.

Against the counsel of his friends, psychiatrist Dick Diver marries Nicole Warren, a beautiful but unstable young woman from a moneyed family. Thoroughly enraptured, he forsakes his career in medicine for life as a playboy, until one day Dick is charmed by Rosemary Hoyt, an American traveling abroad. The thought of Dick possibly being attracted to someone else sends Nicole on an emotional downward spiral that threatens to consume them both.

A cross-country airliner, whose passengers include a nuclear physicist, a rocket expert, and a mathematical genius, is drawn beyond radar range by an unknown, unbreakable force.

In the Windy City, the mob infiltrates a powerful union.