Director Michael Bay tells the harrowing story of the September 11, 2012 assault on a U.S. diplomatic installation in Benghazi, Libya, and the men who put their lives on the line to defend it.

When the American embassy known as the Special Mission comes under attack by Islamic militants, six private military contractors assigned to protect a nearby CIA compound took it upon themselves to fight back, despite being hopelessly outnumbered and outgunned.