On September 11, 2001, members of the Port Authority Police are dispatched to Midtown Manhattan in response to the North Tower of the World Trade Center having been hit by a plane. The officers learn en route that the South Tower also was hit by another plane. Sergeant John McLoughlin, veteran of the 1993 bombing, assembles a group of volunteers including officers Will Jimeno and Dominick Pezzulo, to retrieve rescue equipment from Building 5.