In 2012, a short-term diplomatic shelter, set up for a visit by the American ambassador, is being attacked by Islamist troops. A private security group of former Navy Seals which is stationed in a secret CIA base nearby, decides to intervene. They resist the direct command not to leave their base. The film is based on true events and tells of a hard, 13-hour fight for the consulate, their lives and those of their compatriots.