毕尔巴鄂

　　A writer who studies the paranormal believes that low frequency tactile sound is the cause for reported ghost sightings in an abandoned subway station. In an attempt to debunk the sightings, she breaks into the station to record evidence.

简和伴侣的森林之旅出了岔子，当一个陌生人出现并质疑他们关系的真实性时，她开始怀疑自己是否真正掌握了现实的全部真相。

　　

哲学系学生肖墨到殡仪馆实习，试图探寻“生死”答案，却遭遇导师陈辉离奇死亡。村里流传一口“应声井”可让人起死回生。陈辉之子死于事故后，陈辉在古井许愿，次日离奇失踪。肖墨随神秘殡葬师老白头返村调查，老白头以科学逐一破解“灵异”现象：井中尸体、养女上吊、浓雾里的鬼打墙等怪事背后皆是精心布局的骗局。当执念遭遇科学，谎言被真相撕裂，众人方知真正的深渊不在井里，而在人心。