Hotel Del Luna ini merupakan sebuah hotel seperti hotel pada umumnya. Yang membedakan hotel yang terletak di kota Seoul ini dengan hotel lainnya ialah costumer mereka yang semuanya adalah hantu.
Dan dari tempat inilah 2 makhluk bertemu, dimana Jang Man Wol (IU) merupakan seorang CEO dari hotel tersebut yang terjebak karena sebuah kesalahan besar dan mengakibatkan dirinya terjebak begitu lama di hotel tersebut.
Namun ia tidak menyangka bahwa dirinya bertemu dengan seorang pria yang mengalami sebuah peristiwa tertentu, lalu menjadi manajer di hotel tersebut.
When the Camellia Blooms is a story of Dongbaek, an orphan who grew up to become a single mom. She owns a small bar, also called ‘Dongbaek’ which means camellia in English. Her life takes a new turn after meeting Yongsik, a do-gooder police officer in their small town. They fall in love despite social stigma against single parenthood. Yongsik, having been raised by a single mom himself, understands Dongbaek’s challenges and embraces her dearly.
Lee Jae-Sang (Rain) is a lawyer at JK Law Firm, which is one of the biggest law firms in South Korea. He is an excellent lawyer, but he only cares about winning for his benefit. One day, he has a mysterious car accident and he is drawn into a parallel world. There, Lee Jae-Sang finds himself working as a prosecutor. He is strict in carrying out the law. He is married to Ra Shi-On (Lim Ji-Yeon), who loves Lee Jae-Sang and is faithful to him. In the world where Lee Jae-Sang came from, he broke up with Ra Shi-On ten years earlier and Ra Shi-On works as a detective. Lee Jae-Sang struggles to cope with his different selves.
Jenny Jang (Kim Sun-A) is poor and works at bathhouse in Gangnam, Seoul. She starts a new job as a housemaid for a conglomerate family. She becomes successful and then runs J Boutique. She also begins work as a lobbyist. Jenny Jang gets involved in an international city development project.
“We are neither kids nor adults. When do we become adults then?” Min Jae and Seo Yeon are no different from ordinary 17-year-old high school students. Min Jae is silent and sensitive, yet a good student. Seo Yeon who plays the piano wished to enter an arts high school but failed. As they grow into adults, their surroundings and the reality they face get harsher. These two somehow similar but different friends get closer as they overcome their growing pains together.
Eun Dong-Joo attempts to get back her stolen life. When she was 6 years-old, she was abandoned at an orphanage. She did not remember anything except her name. Despite her difficult environment, she has grown into a woman with a positive and bright personality.
Music producer and composer Ha Rib made a contract with the devil to trade his soul for fame. This devilish transaction brought him all the fame he could ask for, producing many hit songs. As the contract expiration draws near, he bargains with the devil for an extension. For that, he must find another person to sell the soul. Ha Rib finds a perfect candidate, but contemplates because she would have to suffer for 10 years for his selfish fame.
An explosion at the National Assembly kills everyone in the cabinet, leaving Park Mu-jin, the Minister of Environment, to become the next president. Park Mu-jin is a scientist-turned-politician who has no ambitions in politics, but as the acting president for 60 days, he is compelled to investigate the truth behind the attack. Based on the popular American series Designated Survivor.