Troubled by bouts of sleepwalking and disturbing nightmares, graduate student Sarah Foster goes to her university sleep research center for help. But when she wakes up after her first night of being monitored, the world she lives in seems to have changed in subtle, Twilight-Zone-esque ways.,血海骨山舞妖娆;却是在防守之中运作之前不断汇聚的点滴力气,在敌人不知不觉之中,形成一个完全形于内的特殊力场。……