杰克（科尔豪瑟 Cole Hauser 饰）与泰勒（艾迪斯比安 Cole Hauser 饰）两兄弟是两个酷爱探险的洞窟专家，在生物专家尼古拉（Marcel Iures 饰）和詹妮丝博士（Lena Headey 饰）的邀请下，他们携经验丰富的团队来到罗马尼亚卡尔巴阡山脉，…

Four friends lose themselves in a carefree South-East Asian holiday. Only three come back. Dave and Alice return home to their young family desperate for answers about Jeremy's mysterious disappearance. When Alice's sist…