Two years ago, Riko married her current husband. Recently, he has been away on business trips frequently and is hardly ever home. At home, she spends a lot of time with Atsushi, her husband's son from a previous relationship. Initially, they were distant, but gradually grew closer. One day, Atsushi bought a video camera with his part-time job earnings. Despite feeling shy, Riko began to enjoy being filmed. As the two drew closer through the lens, they eventually crossed a line that should not have been crossed…
