Friends since childhood, Eric, Dana and Frank have insatiable curiosity about the unknown driving them to experimentation in paranormal. This ultimately leads to an incident that so frightens and overwhelms them it causes a twelve-year rift in their relationship. Now after finding new evidence, the three reunite. It's time to finish their work and put an end to unanswered questions.

艾瑞克、戴娜和法蘭克從小就對未知的事物抱有強烈好奇心，在一次觀星夜晚，他們在一團白霧中看見了詭異的人影，出於恐懼一行人立刻驅車離開。然而，3人心中產生的疑慮與恐慌，讓彼此的關係從此出現了裂痕。12年後，艾瑞克意外在當年錄下的影片中發現驚人的畫面，於是找回戴娜與法蘭克，決心一同解開困擾他們多年的謎團......