Philip, a solitary proof reader, is trapped in his apartment, too afraid to leave and tortured by an unknown evil force that has kept him prisoner for the last two years.

　一群五位同窗在微妙生物入侵路途后，被困在校车内。时间流逝，每过一分钟，他们的生活机遇就会添加，以统一那个未知怪物的不时要挟