Marines prepare to invade Iraq at the beginning of Operation Iraqi Freedom; while the Marines wait to receive their orders at Camp Mathilda in Kuwait, they learn that Rolling Stone columnist Evan Wright will be embedded with them.

Bravo Company gets an order to treat any Iraqi, holding a weapon, as a hostile.

After capturing an Iraqi airstrip, the First Recon is ahead of the other American and Coalition troops, which gives them time to regroup.

First Recon get their orders to cross a local Iraqi bridge, which gives them their first chance to use local Iraqi citizens. As First Recon gets closer to the bridge, they are ambushed.

First Recon get their next mission, which is to help escort the Iraqi civilians leaving Baghdad from a nearby highway, while trying to help them flee, the men see the humanity in the Iraqi civilians; First Recon come to the realization that since Baghdad is the next stop for American and Coalition forces, their war is almost at a close.

Having reached Baghdad, Bravo Team is shocked at the size of the city; while First Recon begin doing their daily patrols in Baghdad, they find out the obstacles that they and the Iraqis face is much greater than they could ever think of.