Greg Callahan

Re-creating the harrowing events aboard United Airlines Flight 93 in real time, Paul Greengrass presents the devastating drama of Sept. 11, 2001.

A real time account of the events on United Flight 93, one of the planes hijacked on 9/11 that crashed near Shanksville, Pennsylvania when passengers foiled the terrorist plot.

A real time account of the events on United Flight 93, one of the planes hijacked on 9/11 that crashed near Shanksville, Pennsylvania when passengers foiled the terrorist plot.

A defining day in our history. It's an event that shook the world. Honest, unflinching and profoundly moving, United 93 tells the unforgettable story of the heroic passengers and crew members who prevented the terrorists from carrying out their plans for the fourth hijacked plane on September 11, 2001. As on-ground military and civilian teams scrambled to make sense of the unfolding events, forty people who sat down as strangers found the courage to stand up as one.