Russia has fallen under the control of ultra-nationalistic leaders intent on rebuilding the Iron Curtain. This leads to conflict with NATO as Russia attempts to reclaim the breakaway republic of Georgia, and the Baltic states of Estonia, Latvia and Lithuania. As the war escalates, casualties mount, hostages are taken and the Ghosts are sent in. Take command of the Ghosts through a series of missions that range from demolitions, to search and rescue, to all-out firefights for survival.