The summer beach Yumiko couldn’t visit with her husband. She had been eagerly looking forward to this day, full of excitement. But with her husband unable to come, she went to the beach alone with her young son. Feeling dejected, she was approached by two young men. That night, invited to the room of the men who had hit on her during the day, Yumiko put her son to bed and, with secret anticipation in her heart, headed to the room where the two young men awaited. Tormented by guilt yet drowning in carnal desire, a forbidden summer began…

The lascivious summer nights with the two men who picked her up continue. Yumiko’s voluptuous body is fondled at their whim, penetrated, and she, while moaning, doesn’t neglect to service them in return. Drowning in pleasure, she forgets her husband and son, sinking entirely into the heat of the moment. The intense passion of that night lingers in Yumiko’s body, smoldering, tormenting her with guilt toward her family; yet, her body craves that heat again and again…