Mary, the daughter-in-law pressured by her mother-in-law about when she will give birth to a grandchild. One day, the family decided to go on a hot spring trip. However, for the sake of having a child, she was ordered to abstain from sex for a month leading up to the trip. On the day of the trip, Mary was shocked when her husband refused to have SEX with her. Meanwhile, her father-in-law also tried to embrace his wife but was similarly rejected. The two, overwhelmed by their sexual desires, headed to the hot spring to calm their restless bodies. Then, the father-in-law happened to catch a glimpse of Mary bathing and couldn't control his lust...
