A man asks a womanizer to seduce his wife in order to catalyze a divorce.

Some may dream of, some may be afraid of, some may look forward to, and some may want to avoid THE NIGHT BEFORE MARRIAGE! 4 different couples disclose 4 different stories all about marriage.

Lee Hyeong is a talented songwriter. He happens to connect people who are not good with love. Those include Hyeong-Gyeong who wants to become a singer, but she suffers from stage fright. Scully is a high school student. She helps Lee Hyeong's spirit. Chan-Young is a colleague of Lee Hyeong and he likes Hyeong-Gyeong, but in vain.

Kim, a North Korean spy, lives in South Korea for 22 years and is contacted unexpectedly by his superior. His team plans to complete an earlier mission and steal the target's large stockpile of cash.

Hyo-joo, a temporary teacher at a boys' high school, witnesses Hae-yeong's passionate embrace with a boy, causing her immense humiliation towards her.

A beautiful workaholic is fired from her job as a marketing executive for a children's toy company. With her life spinning out of control she teams up with her neighbour, who owns a sex shop, to design and promote better sex toys.

Ice suddenly becomes a more valuable commodity during the Joseon Dynasty and a gang of eleven professionals are assigned to protect the market situation from irresponsible people.

Hyun, a best-selling writer, has found himself in a slump for a long time. In the meantime, he accidentally meets Yu-jin, an aspiring young writer. Hyun gets confused when Yu-jin confesses his love to Hyun. A 19-year-old student and Hyun’s son, Sung-kyung, who is skeptical about his life, meets Jung-won, a young married woman living next door. Sung-kyung has a good feeling for this freewheeling woman. A pure-hearted man, Soon-mo, who is Hyun’s best friend and also the publisher, meets his friend’s ex-wife.

A former medalist who is now a troublemaker physical educations teacher and a natural born rebel take a satisfying whack at life.