Husbands who want their wives to be taken and the wives who accept their desires. Those seeking new stimulation become engrossed in the excitement of the extraordinary… Middle-aged Nakata, troubled by his sexless marriage, suggests 'swapping' to Oi, whose wife has an excessive sex drive. Initially, Oi agrees under the influence of alcohol, but he feels a strange excitement seeing another man's wife enjoying his cock and his own wife going wild with another man's. Seeking further excitement and pleasure, they vigorously copulate. The bizarre space that cannot be experienced in daily life drives two couples into madness through an orgy of sex and alcohol…
