A young newlywed couple find themselves trapped in a network of underground caves. With her husband injured, the new bride is forced to find her way back to the surface in order to save his life. In the process, they discover a terrifying truth about the "underneath", they are not alone. Something evil is hunting them.。莫琳·达巴格是一位母亲,当她的前夫绑架了他们的小女儿阿米娜并消失在中东时,她的世界崩溃了。绝望而无情的莫琳与罗伯森合作,罗伯森是一名经验丰富的前海军陆战队员,也是儿童绑架案件的专家。这部电影以贝鲁特动荡的背景为背景,讲述了莫琳和罗伯逊陷入一个充满国际间谍、腐败和背叛的阴暗世界。随着时间的流逝,风险高得不可思议,莫琳必须在与时间的赛跑中面对不可能的选择。本片是一段紧张而感性的旅程,探索了一位母亲为拯救孩子所做的努力,即使她在每个转折点都面临着隐藏的危险。。