A mother and son, driven to madness by intense heat, commit adultery while returning home to visit relatives. (Mineda Nanami JUL-360)

This summer has been unusually hot. Mineta Nanami, who lives alone after her husband's passing, is thrilled to receive news that her son is returning home. After his son arrives and looks at Mineta Nanami's body, he unconsciously begins to see her as a woman...