Riko, who married her husband two years ago, has recently been on business trips and is rarely at home. At her house, she spends a lot of time with her husband's stepchild, Atsushi, and the two, who were distant at first, became friends. One day, Atsushi bought a video camera for his part-time job. Riko begins to enjoy being filmed on video even though she is shy. As the two approach each other through the lens, they gradually cross a line that should not be crossed...
