"Le Grand Chef 2" begins with the Korean president visiting the Japanese Prime Minister and becoming involved in a heated debate over the origins of kimchi. The Japanese Prime Minister makes the bold claim that kimchi is an original Japanese dish which sets off the Korean president.Upon the Korean's president return home he sets upon a globalization plan for kimchi, which includes a nationwide "Kimchi Contest". Then, a lady named Jang-eun (Kim Jeong-Eun) and her step-brother Sung-Chan (Jin Ku) compete in the Kimchi dish contest, with both siblings using their mother's kimchi recipe.Jang-eun is a famed chef in Japan who returns to Korea to compete in the contest. Jang-eun also wants to close down "Chunyang-gak" - the traditional Korean restaurant that her mother has been running. Jang-eun has felt that her mother loved the restaurant more than herself and her own daughter. Meanwhile, Sung-Chan wants to keep the restaurant and proposes to his step-sister that the winner of the Kimchi contest should have the rights to their mother's restaurant ...

Seo Eun Young and Kang Jung Woo are happy, engaged-to-be-married couple. Suddenly, when Eun Young was pregnant, Jung Woo abandoned her to marry Na Kyung, a rich woman. The new couple then went to study abroad for 5 years. Meanwhile, Eun Young works as a nurse in a hospital. Kang Hyung Woo, who is one of her patients, becomes obsessed with her. Hyung Woo’s mother, Madam Shin, a department store owner, then wants Eun Young to marry her son.

Cha Kang Jin is the son of barmaid, Cha Chun Hee. His life is difficult as he gets into fights and has to watch other people push his mother around yet he can't do anything to stop it. He meets Han Ji Wan when they were teens but they weren't able to continue their relationship as Ji Wan ran away after her older brother's death. He meets Ji Wan 8 years later when he's attending her engagement ceremony to Park Tae Joon. However, he is heartbroken as Ji Wan pretends to not remember him at all.

Lee Pyung Kang's father unfortunately met with an untimely death before completing his ambitious work as a golf course designer. Pyung Kang came to terms with the reality as she supports the family. Eight years later, Pyung Kang who wanted to follow in her father’s footsteps to become a golf course designer, she does chores at a resort town where she meets Ohn Dal, the owner’s eldest son. Ohn Dal’s charismatic father Pyung On demands him to pass the semi-pro qualification test in a month. When he fails to make it, Ohn Dal is told that he will be removed from the inheritance list due to his incompetence. To make matters worse, his father collapses from a sudden stroke and in the midst of misfortune rumor circulates that Ohn Dal’s step mother and her son are going to take over the resort town. Being cornered, Ohn Dal has no other choice but to stand on his own feet, but for Ohn Dal who lacks competence and determination, retaking the resort is beyond his capacity. Ohn Dal and Pyung Kang, who are on bad terms with each other from the first time they met, join hands. And Pyung Kang’s journey to taming the spoiled heir finally begins!

Kim Hyun Joon is an assassin who belongs to a top secret organization known as the "NSS" whereas T.O.P is an assassin who works in another secret organization located in the United States called "IRIS" and was ordered to kill Hyun Joon. Seung Hee is a psychological analyst who plays an important role in bring Hyun Joon into the "NSS." Jin Sa Woo is Hyun Joon's enemy and falls in love with Seung Hee as well.

Lee Min Jung is a the daughter of a chaebol family, however, their financial status declines and they are forced to move in with their longtime chauffeur's (Choi Bool Am) family. The once rich and spoiled daughter must learn how to adapt and live as a commoner.

A story about the behind-the-scenes life of an idol group.