A Marine Staff Sergeant who has just had his retirement approved goes back into the line of duty in order to assist a 2nd Lieutenant and his platoon as they fight to reclaim the city of Los Angeles from alien invaders.
The human city of Zion defends itself against the massive invasion of the machines as Neo fights to end the war at another front while also opposing the rogue Agent Smith.
Neo and the rebel leaders estimate that they have 72 hours until 250,000 probes discover Zion and destroy it and its inhabitants. During this, Neo must decide how he can save Trinity from a dark fate in his dreams.
