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.。在阿尔卑斯山的一个滑雪胜地,一名季节性工人死于大篷车火灾后,一名来自里昂的宪兵,原本是该度假区的宪兵,与一名心灰意冷的宪兵一起领导调查。。