Not long after the appearance of the gate, a group went in to investigate the gate. Among the group only one man survived. Tahara now spends his time in his office taking care of the flower he found in the gate. But things are about to change as a group targets him for his research on contractors and the gate. Can Hei and the others get the information first?

After Hei and Misaki barely escape from Alice, Hei goes his separate way after Misaki and Saitou find each other. After Hei steals the crystal hidden within the stone flower garden, he runs into Wei and loses the crystal in the process. Wei finally meets up with Misaki and Saitou, who have found Alice. After Wei kills his partner, Alice, he moves in on Misaki and Hei.

In Japan, Suo begins honing her combat skills under the watchful eyes of Hei and July. Meanwhile, Kirihara - still puzzled BK-201's disappearance - gets acquainted with the agents of Section 3.

Picking up from last time,the men barging in to help Hei turned out to be Amber’s former Evening Primrose members led by Amagiri. Upon talking to Hei about how books from over fifty years ago predicted the appearance of a girl with the power to change the world and wondering if Amber foresaw all this, Amagiri asks Hei what exactly does he think of Yin. Hei is unable to give an answer...