Two wives are stuck in sexless marriages and wish to change that. They turn to a mysterious internet product to help.

A young man is preparing for the public official exams and is invited to his aunt's house to stay to save money. There he encounters an unexpected attraction.

Mi-yeon has a falling out with her husband because of his gambling and indifference towards her. She visits her friend Yoo-jin and accidentally sees her sleeping with the guy next door. When she is set up with another neighbor of Yoo-jin's, Mi-yeon has to choose between her husband, who begs for forgiveness, and the new suitor.

Tae-seong, a mixed martial arts professional with excellent skills, is injured and got disqualified as he gets caught up in a fight with his friend Byeong-jin inside a store ahead of his UFC debut. Hye-na, Byeong-jin's younger sister and BJ professional in mixed martial arts, encourages Tae-seong to make a comeback, but Tae-seong refuses. Hye-na finds out that the man who injured Tae-seong is Yan...