X2 discovers that his clone has disappeared. At home, through the computer that controls his life and that of his clone, he discovers that X1 has lately been restless and that he had received a video. Watching the video, he discovers the existence of the "Chosen One", a man who announces that he is the only one who can change the fate of all humanity. Meanwhile X1 plunged into the past, in the year 2016, tries to get in touch with his clone left in the future with the help of Alice, a tattoo artist, and communicating with his clone through a tattoo that is drawn on the skin, tattoo that appears simultaneously also on the arm of X2.