一児の母でライターの仕事をしながら子育てしている仁科志保(佐津川愛美)は、夫・仁科浩介(千賀健永)とのセックスレスに悩んでいた。浩介もまた、志保を愛しているのに‟妻だけEDになってしまっていることに悩んでいた。ある日、浩介から「夫婦交換パーティー」に行くことを提案される。最初は聞きなれない催しに、強い拒否感を感じていた志保だったが、度重なる浩介の説得に根負け。「見学だけなら」と、しぶしぶ「ナイトアクアリウム」という夫婦交換のパーティーに参加する。最初は警戒心を隠せなかった志保であったが、次第に夫婦交換をすることにメリットを感じはじめる。刺激的でデンジャラスだけど、自分を見直し、前向きになれるラブストーリー!
When Shiho Nishina got worried about her sex life with her husband, her husband proposed to her, "Why don't we go to a couple exchange party?" At first Shiho strongly turned down the idea, but eventually, she gave in because her husband was very persuasive. "We're just going to observe, okay?" Shiho said as she reluctantly agreed to it. Meanwhile, a former diplomat Mr. Kubozuka ran a couple exchange club, "Aquarium," with his wife in their house. At first, Shiho was being very cautious, but gradually, she got attracted to Mr. and Mrs. Kubozuka's charm and finally agreed to exchange couples with them. It seemed that their sex problem had disappeard and they had found happiness, but as it turned out, that was just the beginning of their nightmare...
Aliases
- The Recipe for a Happy Marriage