平(星野源)は、7年前の献金事件の鍵を握る日記を手に入れる。そこには、鷲田(柄本明)政権を揺るがす重大な秘密が書かれていた。日記を携え、総理官邸を訪ねる平。一方の真木(神尾楓珠)は、事件に巻き込まれ亡くなった幼なじみのユキを、AI・スノウとして蘇(よみがえ)らせていた。自らに迫る危機を察知したスノウは、真木と平がいない間に、サチ(山田杏奈)を取り込み暴走を始める。はたして、真木、ウーアの行方は…。
Kiyoshi acquires a diary which holds the truth concerning the monetary contribution scandal, and which could damage the Washida Cabinet, and he visits the Prime Minister's office with the diary in hand. Meanwhile it is revealed that the AI character Aran has secretly created is a virtual resurrection of his victimized childhood friend Yuki, renamed Snow. Sensing that her life is threatened, Snow convinces Sachi to assist her, and begins to run wild, sending both Aran and Utopi-AI toward unknown destinies.