Lain recieves cryptic messages about existence, God and a coming prophecy. While she ponders the meaning of this, Mika is about to start a very strange day. While on her way to school, she sees Lain in the middle of traffic. Then, she sees the message “”Fulfill the Prophecy”” everywhere she turns. As reality distorts around her, Mika rapidly descends into a nightmare that she may not be able to get out of.