전체 에피소드

자살한 학생으로부터 메일이 도착한다.흥미 반 두려움 반으로 학교중의 화제가 되었다. 사람과의 교제에 서투른 레이는 이 날 처음으로 몇 안되는 친구들로부터 그 소식을 들었다.귀가 후, 레이는 자신의 방에 있는, 드물게 밖에 여는 일이 없는 NAVI를 켠다. 거기에는 자살한 학생·치사로부터의 메일이 와 있었다.

젊은이들로 붐비는 클럽 사이베리아. 내키지 않지만, 아리스의 권유를 거절하지 못하고 레이는 클럽을 방문한다.문 너머로 펼쳐진 이곳은 분명 레이에게 익숙치 않다.그러나, 전날 밤에 사이베리아에 온 3명은, 거기서 말투도, 복장도 전혀 다른, 레이와 많이 닮은 아이를 보았다고 하는데…….

다음날 학교에서는 사이베리아 사건이 화제가 되고 있었다.어젯밤 레이를 혼자 남겨두고 돌아가버린 앨리스는 레이에게 말을 걸려고 하지만 이야기를 듣고 싶어하는 반 친구들에게 둘러싸여 꼼짝할 수 없었다.하교 때 레이는 신발장 안에서 작은 봉투를 발견한다.안에는, 1센치 사방의 IC칩이 들어있는데…….

Some players of a Wired game called PHANTOMa are dying suspicious deaths. Lain investigates, but her growing interest in the Wired worries her father, as well as classmates Mika and Alice.

Lain receives cryptic messages about existence, God, and a coming prophecy. Meanwhile, Mika's world changes in ways both surreal and hyperreal.

Young children are acting strangely, arms outstretched and silently staring at the sky. A shocking vision suddenly appears in the skies; it looks like Lain! Determined to get to the bottom of this, Lain's investigations finally bring her to the creator of KIDS -- but what she discovers is not what she hoped for.

As the Knights activities make the evening news, a strange man named Nazumi wanders the city with machines strapped to his body. People on the WIRED are asking: ""Who is Lain"". Meanwhile, the two MIB agents take Lain to the Techibana offices where Lain's identity is challenged by a man; how well does she know her parents, her sister, herself? Can Lain answer him?

Still shaken by the information she received from the Men In Black, Lain discovers that she is being blamed for spreading an ugly rumor in the WIRED. Is what the MIB said is true; is she another person in the WIRED? Or is she doing it herself? Lain must find out or risk losing the one true friend she has.

A documentary about Roswell gives Lain some valuable information about the pioneers of the WIRED. Later, at the Cyberia, J.J. tells Lain that she left something the day before and hands her an envelop with the Knight's logo on it. The envelop contains a chip. Believing this was the other 'Lain's' doing again, she decides to call Taro's bluff and go on a 'date'. Taking him to her room, Lain demands that he tell her what he knows. Together, with Taro's information and the mysterious chip, Lain finds out more then she expected.

Lain struggles with her identity. Is she a human being, or just a hologram? And are the Knights responsible for the Evil Lain? Lain decides to deal with the Knights once and for all.

Alone and frightened, Lain immerses herself in the WIRED, processing the events of the past few weeks and searching for the truth of who she is.

Troubled by what she saw, Alice decides to visit Lain at home and find out what is going on. Meanwhile, the two MIB agents receive a terrible shock and Eiri reveals his real motive for removing the barrier between the real world and the WIRED.

The world is crumbling, people are dying and Alice's sanity is threatened. To save humanity, there is only one thing Lain can do; she must make the ultimate personal sacrifice.