剧情简介
Leonel grows up in the United States, believing that Roberto is his biological father, and although he is unsure of his origins, and doesn't speak Spanish, he constantly has nightmares involving the border with Mexico, and a woman he cannot remember. But he continues on and doesn't ask himself many questions. His life is good, he has an excellent relationship with his parents, ...。每天，上百辆地铁穿梭在河下的隧道中，今天，却有一辆地铁无法顺利通行。当地铁行驶到中间的时候，地铁突然发生爆炸，许多人在爆炸中丧生，仅剩下几个幸存者，他们当中有固执的电视台记者克劳迪娅，胆小而又自大的软件开发者乔恩，叛逆的孩子，心地善良的流浪者，和一名孤僻的护士。他们必须在隧道塌陷之前，挖出一条通道。但河水突然开始渗漏，他们不得不逃到一间储藏室避难。但问题再次出现了，不仅仅是河水可能涌进他们的避难所，他们发现地铁中还有另外一颗炸弹，随时可能爆炸。救援队赶到现场开始营救工作，他们又充满了希望，但救援队突然停止了救援，他们必须立即找到一条逃生之路……。一名单亲妈妈送女儿贝卡和儿子泰勒到乡下探访外祖父母，姐弟二人原本以为这是一次愉快的探亲之旅，没想到的是，外表慈爱的外祖父与外祖母，背后却隐藏着凶残的一面，还对两个小孩施以残暴的恐吓，而姐弟俩则用录像机记录下了这一切……。
