Japanese government negotiator Shindo Kojiro has been absorbed into a giant 2km long cube known as Kado.  Inside, he meets a being called Yaha-kui zaShunina, who seems to possess powers beyond humanity's ability to comprehend.  Who is this being, and what are his plans for humanity?  Shindo agrees to become this creature's representative as it begins its negotiations with the Japanese government.
In other words, those 251 people are hostages.
.بمعنى آخر، الركّاب الـ251 رهائن
Mit anderen Worten sind
die 251 Menschen nun Geiseln.
En otras palabras,
esas 251 personas son rehenes.
En otras palabras,
esas 251 personas son rehenes.
Ça signifie que ces 251 personnes 
sont tenues en otages.
In altre parole, significa che
251 esseri umani sono in ostaggio.
Então, em suma, 251 pessoas são reféns.