Myeshea Baker

In Montreal, the unemployed fashion designer Sophie Malaterre is shown a website, switch.com, where it is possible to switch houses with a stranger for vacation. Sophie seeks an apartment in Paris nearby the Eiffel Tower that belongs to Bénédicte Serteaux and they change apartments. Sophie arrives in Paris on Saturday morning. The next morning, policemen break in the apartment and arrest Sophie while she is having a bath. Detective Damien Forgeat interrogates Sophie believing that she is Bénédicte and she learns that a beheaded body was found in her room and all evidence of her life has been deleted.

1942年、ロサンゼルス上空で発光する謎の飛行物体25機を空軍のレーダーがとらえる。その後もブエノスアイレスやソウル、ロンドンでも未知の飛行体が目撃されたが、その真相は不明だった。そして2011年、これまで世界各国で確認されたUFO事件を通して人類を監視してきたエイリアンたちがついに侵略を開始し、ロサンゼルスで海兵隊と市街戦を繰り広げる。