When a group of nerds leak a washed-up celebrity's sex tape, the publicity revives the actress's career and other Hollywood rejects want to star in the guys next "production."

　　In the distant future, a large portion of humanity lives on Mars, in cities that resemble those once found on Earth. The cities are protected from the inhospitable Martian atmosphere by dome-like force-fields. When a massive sandstorm breaks through the dome and destroys Mars New York, those in Mars Los Angeles must figure out how to stop the storm before it wipes them out next.

致命机械消灭人类。这些毫无先兆的袭击令人们走在一起。在不断的追杀下，人类连同政府特攻初战变形战兵而首尝胜利。但无法想像的是，整个侵略部队即将从天而降！究竟人类能否再次结集起来，战胜这班变形战兵。