One summer day, two years after their father died, Mio and her son Akira were living a modest life together. Akira was secretly in love with Mio, but because she was her mother-in-law, she never showed her feelings. However, the stress of not being able to convey her true feelings is directed to her Mio in the form of her voyeurism. She was Akira who tried to satisfy her desires by watching the video of Mio secretly taken, but Mio noticed such an act of Akira.
