这部后末日悬疑惊悚剧讲述主角完成夜班守卫的工作后，发现前一晚入睡的所有人都死了，他和一群幸存者得保持清醒，并尽快查出这场全球性流行病的秘密。

A group of kids join a secret agency where they learn to use the power of imagination to journey into the Dream World and create fantastic creations in order to help sleeping children being terrorized by the evil Nightmare King who is bent on conquering the Dream World and invading the Waking World.