In search of a new energy source, Russia accidentally reawakens the Kolossus - a giant robot doomsday device from the Cold War. At the same time, a new Mega Shark appears, threatening global security.

美國國土安全部探員馬汀在監控網路活動時，意外地看到一對分隔兩地的夫妻的親密視訊對話，而這對夫妻慢慢的發現他們的新家裡有著其他不速之客。