Asakawa Miyuki tells her colleague Yamagiwa Etsuko 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.Makabe Jiro; Tatsuo introduced her to Dr. Makabe earlier at the hospital. Etsuko has a feeling of unease about her husband working with him. One day, Etsuko hears Dr. Makabe state "I came to Earth to invade".