作家卡洛斯•卡拉斯特长久以来一直专注于美国著名小说家欧内斯特·海明威的研究工作，其中海明威在巴西那段时间的经历扑朔迷离，令他焦灼不安，甚至忘记了自己的生日。此后不久，他走访相熟的旧书店，从自称店主人朋友的陌生人手中接到了一份破旧的手稿。初步调查发现，这个用西班牙语写成的手稿《哈瓦那的黑暗》，极有可能是海明威亲笔所书。书中描写了某栋房子中曾发生过的凶残杀人案，令卡洛斯不得不与现实中的案件联系起来。在朋友约翰及其女友凯伦（Carolina Ravassa 饰）的鼓励下，三人启程前往古巴。
调查过程中，卡洛斯似乎离黑暗的真相越来越近，可是他也发现自己正被恐怖的存在引向毁灭……

前洛杉矶警察布雷特在保加利亚首都索非亚，担任一栋旧公寓大楼的安保主管。布雷特很快发现了一股邪恶力量，打开了冥界与人类世界的大门……

When Matt Booth sets off to meet his fiance for a foreign wedding he couldn't have imagined the dangerous world he was about to step into. Betrayed and set up, Matt finds himself on the run from the CIA and hired mercenaries, all looking for a package that he has supposedly smuggled through customs. Hunted on all sides, Matt is aided by Agent Adriana Vasquez, a femme fatale with orders of her own to follow.