As is usual, the player joins the Allied or Soviet side in the singleplayer campaign (with 12 missions for each faction) as of that point in the storyline. Soon afterwards, the Soviet Union launches an overwhelming invasion on North America and Europe on land, air, and sea.
Although the Western Allies have installed a lackey as the Premier of the Soviet Union, their spies and relevant contacts suddenly go silent with the appearance of a powerful Soviet psychic named Yuri, who turns out to be Premier Romanov's advisor.