Having married young, when frustration with their lives make Choi Ban-du and Ma Jin-joo regret their marriage of 18 years, a strange occurrence has them traveling back in time to the day before they met and into their younger selves.

Jiwon, a motivated new police officer, is strangely bothered after meeting Osun, a social worker. On a hot summer day, a kidnapper sends a message saying, ‘If you want to save the kidnapped child, donate money to the welfare center.’ The incident becomes a national concern as the media report it. Somehow, Jiwon doubts the link between the case and Osun.

Documentary filmmaker Tatiana is working on a film about former European boxing champion Vadim Larin. As a director, she wants him to return to the ring, which would make her film more optimistic. Larin himself, touched by Tatiana's attention and in love with her, is ready to respond to this wish. However, a victorious return to the ring did not work out...

Amy finally submits to her Black desires! Lexington initiates Asa Akira's ass to the school of Black cock! Abella tastes dark meat for the first time...won't be the last either! Inari calls Lexington to clean out her pipes...he reams every hole! Gina is back again...taking on a Black stud. Nothing is better than Black in Blonde!

At 40, successful lawyer Chen Shan struggles to balance her demanding career and strained marriage. As her husband Sun Lei grows distant and a new client challenges her professionally and emotionally, their relationship begins to unravel.

Nan-hee, who wants to enjoy her newlywed life, feels something wrong with her husband, Moo-yeong's body. No matter how much she tries to seduce him every night, Moo-yeong is unable to use his strength. One day, Nan-hee's high school classmate Yoo-na moves in next door. Nan-hee begins to heal Moo-yeong through Yoo-na's shocking suggestion.

Meen is quite a playboy and loves to gamble, till he gets kicked out of the house. One day he meets Jeab by accident, and Jeab asks him to stay over, but Jang isn’t quite happy about it because Meen always wants to fight and have financial problems.

Medical school student, Chang Min, and a dietitian, Jin Hee, fall in love and marry despite his family's strong opposition. When Chang Min marries Jin Hee, he gives up his medical internship to become a pharmaceutical salesman despite the fact that the rest of his family are successful doctors. Their married life is miserable as Chang Min's family looks down on Jin Hee and Chang Min begins to treat her poorly. They finally divorce and go their separate ways until they are suddenly reunited as interns working at the same hospital. Will this couple's tumultuous feelings for each other be rekindled?

Civil servants Adimas and Adelia feel disturbed in building a romantic relationship because their house is still under construction and have to live with their in-laws first. Turns out, Adimas and Adelia discovered a lot of awkward things bothering their household.

Choi Gi Chan is an University Botanic Professor with the "perfect genes." The drama is about an editor of a fashion magazine, Kim Dang Ja, who suddenly develops an urge to have her own baby despite opposing the idea of marriage. The story will talk about Dang Ja striving to look for a man with perfect genes to accomplish her mission. Gi Chan happens to be her "target" in order for her to accomplish her mission. The story later develops as Dang Ja must persuade him to do it without any commitments, which is a problem because Gi Chan doesn't believe in the idea of sex before marriage.