A world-renowned Sci-fi writer as well as best-selling author 'Baek Jo-Kyoung.' She is now under threat of being stigmatized in society, as her private life and malicious hidden camera were discovered. Later, she is kidnapped at the bar unconscious. She wakes up in a bloody drum in a strange warehouse. Find herself with her mouth is covered with tape while her hands and foot are tied, and her body is branded as FALLEN Scream in terror, 'Baek Jo-Kyoung' must attempt to escape. Meanwhile, a prisoner in her clothes who calls herself 'Fallen' claims she is from the future is sitting in the conference room of particular prison. As she introduces herself as a Doctor who committed the terrible series of murders, she put the writer in even more danger by organizing a conference with members of the National Intelligence Service to negotiate criminal immunity. She organized a meeting with the National Intelligence Service members to negotiate criminal impunity, and the conference put the writer in even more danger. In the middle of the negotiation, suddenly, a young man is sent from The United Nations, causes an unexpected situation, risking all of their efforts and the safety of humanity. In the meantime, Baek Jo-Kyoung is fighting against unidentifiable enemies named 'Fallen,' artificial intelligence beings from the future, claiming that Baek Jo-Kyoung is their creator yet a threat to their existence. She gets her courage back to face this treat using her absolute best imagination. Will she have her life back from the crisis jumbled with the past and the future? Will she defeat all these dangers?