George Harvey Bone is a composer in early 20th century London, who is under stress because he is writing a piano concerto. Due to this stress, he gets black outs when ever he hears dissonances. When he finds himself after the black out in a different quarter of the town, he returns home, to read in the paper that somebody in that quarter was murdered. Asking help from a doctor ...。在從洛杉磯飛往倫敦的三萬英呎高空中,機艙燈開始閃爍,燈號暫停的瞬間,機上一名乘客就會失蹤!當機上的乘客越來越少時,恐慌開始蔓延,軍人亞當該如何進行解救行動?!。