Hitoshi Kudo is a journalist who covers various murder cases. One day, his daughter is kidnapped by the frog man. In order to safely rescue her, Kudo is cornered by one unreasonable instruction after another.

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 she takes Miyuki to the psychiatric hospital where her husband, Tatsuo, works. There, Miyuki receives a diagnosis that she lacks the concept of "family." Later, Etsuko tells Tatsuo that she is not comfortable with Dr. Jirō Makabe. Tatsuo introduced her to Dr. Makabe earlier at the hospital. Etsuko has a feeling of unease about her husband working with Dr. Makabe. One day, Etsuko hears Dr. Makabe state "I came to Earth to invade."

A girl vanishes while walking, leaving her family devastated. As months pass without clues, rumors about her mother's actions intensify online, straining her marriage.

Masuda, an aspiring journalist, plans to write an article in order to expose his co-worker Suzuki, who is a psychopathic murderer according to Masuda.