Bride Reina, under pressure from her mother-in-law about not having given birth yet, finds herself forbidden from having sex by her husband one month before their scheduled hot spring vacation. However, on the day of their trip, she's rejected once again when trying to sneak some intimacy with him. Meanwhile, Reina's father-in-law also attempts to embrace his wife but is turned down as well. Both characters are left frustrated and seeking relief for their pent-up desires. They decide to head to the hot springs where they coincidentally catch a glimpse of Reina's alluring bathing attire. Unable to control his lust any longer, Reina's father-in-law makes a move...

姑から孫の出産はまだかとプレッシャーをかけられている嫁・れいなは、1カ月先の温泉旅行まで子作りの為にSEX禁止命令を下されてしまう。しかし旅行当日、あろうことか夫にSEXを断られてしまう。一方、義父も妻を抱こうとするが同じく断られてしまう。性欲を持て余す二人は、悶々とする身体を落ち着かせる為に温泉へ向かった。そして、偶然にもれいなの艶めかしい入浴姿を目撃した義父は、欲望を抑える事が出来ず…。