卢克（埃米尔-赫斯基饰）是一名年轻的互联网企业家，他凭着机智一夜暴富，带着大笔资金和好友本（麦克思-明格拉饰）来到俄罗斯首都莫斯科寻找商机。他们都是技术型的人才，但是却没有经商经验。而另一对闺蜜娜塔莉（奥利维-瑟尔比饰）和安妮（瑞切尔-泰勒饰）原本想直接飞往尼泊尔，但遇到一些情况，而被迫在莫斯科转机。突然的变故并没有影响这两个活力四射的女孩的好心情。她们决定借此机会参观一下以夜生活闻名世界的城市，她们在星星夜总会遇到了卢克和本。四个年轻人很快就熟悉了，他们在这声色犬马的场所认识了瑞典商人斯凯勒（乔尔-金纳曼饰）。斯凯勒是个狡猾的商人，他抓住了卢克和本缺乏经验的弱点，毫不留情的欺骗他们。就在大家狂欢时，外星人入侵了夜总会，卢克带领着大家和外星人开始了一场殊死较量

Luke (Emile Hirsch) is a young Internet entrepreneur who has become rich overnight with a wit and a big business. With a large sum of money and his friend Ben (Max Minghella), he came to Moscow, the Russian capital, to look for business opportunities. They are all technical talents, but they have no business experience. Another pair of girlfriends, Natalie (Olivier Thirlby) and Anne (Rachael Taylor), originally wanted to fly directly to Nepal, but encountered some circumstances and were forced to transfer in Moscow. The sudden change did not affect the good mood of these two energetic girls. They decide to take this opportunity to visit the city famous for its nightlife, and they meet Luke and Ben at the Star Nightclub. The four young people got acquainted quickly, and they met the Swedish businessman Skyler (Joel Kinnaman) in this sensual place. Skyler is a cunning businessman who exploits Luke and Ben's inexperience and tricks them mercilessly. While everyone was having a carnival, aliens invaded the nightclub, and Luke led everyone to start a desperate contest with the aliens