Nala, a 13-year-old girl from the city, travels with her family to her grandmother's home in the countryside, to try to find a cure for her little sister's mysterious illness - But she'll soon find her granny is not exactly what she seems.

　A young couple Mira (Abbie Cobb) and Todd (Sean Faris) hire a live-in nurse (Lyndon Smith) to be the caregiver for their sick son, only to discover that she is an "angel of death" intent on replacing Mira through any means necessary.

　难得一见的流星雨即将在俄罗斯上空出现，青年男女们兴奋非常，纷纷走上街头见证着历史性的一刻。美丽女孩尤利娅（伊琳娜·斯达森保姆 Irina Starshenbaum 饰）不顾身为军官的父亲的反对，执意和特姆（亚历山大·佩特罗夫 Alexander Petrov 饰）交往。在流星雨来的这天，他们躲在一隅偷欢，却不知莫大的危机正在袭来。一艘外星飞船遭到意外，结果又被俄罗斯空军击中。它在迫降的过程中给莫斯科造成毁灭性的打击，而尤利娅的闺蜜也在灾难中丧生。在此之后，尤利娅和朋友们闯入禁区，遭遇了外星人。阴差阳错，