在度假时,房产税收专家露易莎接到上司的紧急呼唤,要求前往蒙特·奈格洛的古老瓦德马尔公馆。这座历史悠久的宅邸在维多利亚时期建造,蕴含深奥的秘密。一个月前,上司派去资产评估的员工奥利西亚 suddenly disappeared, just in time for the hastily rescheduled auction. Lured by the promise of a big payday, Lusia reluctantly accepts the assignment and finds herself investigating a chilling mystery hidden within the dilapidated halls of the mansion... Four days later, Lusia too vanishes without a trace. Her distraught boss enlists the help of a private detective, Nicholas, to unravel the eerie disappearance of two employees. As Nicholas delves deeper into the investigation, he gradually peels back the layers of this seemingly ordinary mansion's ominous past...