My brother-in-law, Hiroshi, returns to his parents' home after being transferred to a rural area and has a narrow shoulder. On a sweltering tropical night, I am captivated by the sweaty sleeping figure of Ayumi, his younger brother's wife. His brother-in-law, driven by frustration and desire, rapes Ayumi while the family is away. What was Ayumi's reaction to him? An intense love affair between a man and a woman covered in sweat on a hard night! ! !