Jumong examines the life of Jumong Taewang, founder of the kingdom of Goguryeo. Few details have been found in the historical record about Jumong, so much of the series is fictionalized.
After being found in 918, the kingdom of Goryeo faced a critical existential crisis when the powerful Yuan dynasty tried to subjugate them. In the fictional setting of this drama, a warrior living in the timeline of Goryeo meets a plastic surgeon living in the present day. The plastic surgeon gets kidnapped by the warrior who got an order from the king to find a doctor who can cure the fatally injured queen. The two individuals who were not meant to coexist are brought together to fight their way through the ordeals on the land of Goryeo. The warrior makes a promise that he will return her to her world, but a scheming royal advisor persuades the king to force the surgeon to stay as she can be useful to him. There, the surgeon falls in love with the warrior who is the leader of the royal guard. In this era of change and chaos, love that transcends time and space blooms.
Crown Prince Yi Gak finds that he has been transported from the Chosun Dynasty to modern-day Seoul. He meets Hong Se Na, who bears a striking resemblance to his dead wife, and is determined to solve the 300-year-old mystery of her death. With his own resemblance to the CEO’s grandson at the company where Se Na works, Gak assumes the identity of the young man to stay close to her. Can the Crown Prince navigate a modern corporation to find clues to his own time period?
Set during the reign of King Sukjong in the Joseon dynasty, the story focuses on Dong Yi, a water maid who gains the trust of Queen Inhyeon and later the favour of the king when he is moved by her prayers for the health of the Queen during the court disputes caused by Jang Hee Bin. Dong Yi becomes a concubine with the rank of sook-bin and bears a son who will later become the 21st king of Joseon, Yeongjo.
Dan-Bi is a senior high school student. She has a special ability which allows her to transport to anywhere on rainy days. For her university entrance exam, Dan-Bi can't deal with the pressure and runs off to a playground. Without knowing why, she goes into a puddle and finds herself transported to the Joseon period. There, she meets Lee Do. He is a young King of the Joseon period. Lee Do is in a difficult situation due to droughts and the spread of an epidemic.
Park Ji-sang, a surgeon, leads a double life. While he tries to save his patients' lives, on the other hand, he is also a vampire who constantly craves for blood.
Lee Gyu Won is the daughter of one of the top three maestros of pansori and is also a gayageum protégé herself. Following her grandfather’s wishes for her to study the gayageum, she enrolls as a major of gugak, or traditional Korean music. Lee Shin is unfriendly, yet a clever student in the Applied Music Department who also is the famed vocalist and talented guitarist of the handsome band named The Stupid. With charming looks equal to those of a handsome character in a romance comic and a cold, taciturn personality, he thinks gugak is boring and belittles it. As the vocalist Lee Shin and Gayageum Protégé Lee Gyu Won passionately confront each other to champion their respective music, they soon fall in love.
Kim Moo-Young wakes up to find he has become a zombie with no memories of his past. Witnessing the death of a Detective, he has assumed his identity to try discover the mysteries of his past. Meanwhile, Kong Sun-Ji works as investigative journalist who quits whilst investigating the 'Santa Killer' case. By chance the two are brought together and various circumstances lead to Sun-Ji working at Moo-Young's detective agency as an intern.
Gong Ah-jung, a level 5 Ministry of Culture official, gets entangled in a web of lies when she mistakenly lies that she's married to Hyun Ki-joon, a hotel manager from an affluent family. Their relationship is further complicated when Ki-joon's ex-fiancée and a close friend of his brother's, Oh Yoon-joo, reappears in his life.
When Kang Bok-Soo was a high school student, he was falsely accused of committing violence and kicked out of school. This was caused by his first love Son Soo-Jung and a male student Oh Se-Ho. Kang Bok-Soo is a now an adult, but his life has not gone smoothly. To get revenge on Son Soo-Jung and Oh Se-Ho, he returns to the same high school as a student. The environment at the school has changed and Kang Bok-Soo gets involved in unexpected cases.
This series follows people who work diligently at Incheon International Airport. Lee Soo Yeon graduated from prestigious KAIST. He begins work at Incheon International Airport and gives himself a goal of six months to get used to working there. Lee Soo-Yeon is a mysterious man who keeps people at a distance. There, he meets Han Yeo Reum. She is a new employee in the passenger service team. She wants to be a perfectionist, but her reality is a little different. She makes a lot of mistakes.
Cha Yo-Han—an arrogant but genius doctor of anesthesiology—and Kang Shi-Young—a smart, warm resident of anesthesiology—work together to help people with mysterious cases of acute or chronic pain.