洛杉矶又受到怪物的袭击，这次袭击的怪物力量远比它们的前辈更为强大，整座城市陷入了恐慌之中，罗素博士临危受死,带领着冲锋队奋起迎战。

強烈地震襲擊華盛頓特區，美國陸軍工兵部隊必須與時間賽跑，拯救受困於瓦礫堆中的總統，與此同時一樁陰謀也在暗地裡蠢蠢欲動……。

Russian operatives hijack a commercial American jet, planning to crash it into a nuclear power plant near Washington, D.C. resulting in fallout that will devastate the Eastern seaboard. With little time for Air Force fighters to shoot it down, the passengers and crew aboard the aircraft must rely on their own military and civilian training to stop the terrorists before it's too late.