Mary has overcome her struggling early days and finally become a popular, in-demand star in the entertainment industry. However, she is secretly married to Kento, a staff member at a television network. Both of them lead busy lives, and had planned a hot spring trip to celebrate their wedding anniversary at the end of the month. But when a major scandal involving a co-star from her drama series breaks out, a rescheduling forces a reshoot on that exact date, making it impossible to change. Desperate, her manager Nakata consults Kita, an erotic masseuse known for using aphrodisiac oils to seduce women, whom they had previously featured with on TV.