改编自真人实事,恼人的低鸣声一直回荡在耳边,让男子的生活走向崩溃边缘,他亟欲找到出现股低鸣声的原因,反而让他的世界变得更加失控,真实与虚幻的界线逐渐模糊,他的安全也岌岌可危。Follows one man's potential descent into mind-numbing madness from a low humming noise. George is a man who seemingly has it all, including a loving wife, a large home and a solid career, but these societal status symbols fail to bring him happiness. Is the hum real?