"Married life is all about patience," says Aki Suo, 53, mother of one. She has been married for 25 years and has always had a strong libido, but she lacked the courage to cheat, so she endures by having sex once a month and masturbating once a week. However, as the years go by and her husband's male function begins to show signs of decline, her patience reaches its limit. Each time she experiences erectile dysfunction, her desire for adultery grows stronger... After years of patience, this fifty-something wife finally makes a decision. Watch as she unleashes her lustful self and dives into adultery for the first time in her 25 years of marriage.