Narumi (Nagasawa) is on bad terms with her husband, Shinji (Matsuda), when, one day, Shinji goes missing. He comes back a couple of days later, but he seems like a totally different person; now gentle and tender. Meanwhile, journalist Sakurai (Hasegawa) covers the story of a family that was brutally murdered, when an unexplained phenomenon takes place. Shinji tells his wife that he came to Earth to invade.