Miyuki Asakawa tells her colleague Etsuko Yamagiwa that she has a ghost in her home. When Etsuko goes to Miyuki's home, there is only Miyuki's father there. Etsuko becomes worried about Miyuki's state of mind and takes her to the psychiatric hospital where her husband Tatsuo works. There, Miyuki receives a diagnosis that she lacks the concept of "family." Later, Etsuko tells her husband Tatsuo that she is not comfortable with Dr. Jiro Makabe. Tatsuo introduced her to Dr. Jiro Makabe earlier at the hospital. Etsuko has a feeling of unease about her husband working with Dr. Jiro Makabe. One day, Etsuko hears Dr. Jiro Makabe state "I came to Earth to invade."