Riko, who married her current husband two years ago, recently has a lot of business trips and is hardly at home. At home, I spend a lot of time with Atsushi, my husband's stepchild, and the two who were initially unfriendly became friends. One day, Atsushi bought a video camera for a part-time job. Riko is shy but begins to enjoy being filmed on video. The two who approach through the lens gradually cross the line that should not be crossed ...