亚伦和苏珊，两个利用假期到南方边陲旅游的孩子。他们无意之中陷进了一个可怕的阴谋当中。他们奇异地发现传说中的一种食血蝙蝠。随即有一对神秘的日本夫妇进入了他们的视野。在他们那二人诡异的行踪背后，人们听到了一个几十年前的故事。（Aaron and Susan, two children who used the holiday to visit the southern border, were accidentally trapped in a terrible conspiracy. They found the legendary vampire bats in a strange way. Then a mysterious Japanese couple entered into their vision. Behind the weird whereabouts of the two, people heard a story before several decades.）