A new icon shines in the skies over New York City. The 104-story One World Trade Center is the tallest skyscraper in the Americas. A fortress of glass, concrete and steel; a skyscraper designed to be resistant to terrorist attacks. Built at a cost of $3 billion, it is the most expensive tower in the history of the United States. In this documentary, journalists reveal secrets of the tower’s construction and explain the exceptional security measures that have been put in place. They also describe the important role played by Canadian companies in the tower’s construction.