It was the defining moment of the 1980s, October 19th 1987, the Dow Jones Industrial Average plunged 508 points, the largest single day drop in the history of the stock market and the world braced itself for another great depression but it was Tuesday October 20th that the financial markets came within minutes of a total meltdown.

The New York Stock Exchange, the epicenter of the world financial system was under siege but the savours of the markets were on the trading floors in Chicago. How was this disaster averted, was it a miracle?

Cancel Crash takes a deep dive into the dramatic events that somehow managed to save the world from financial anarchy and for the first time shows us what really went down on Terrible Tuesday.