In the 11th year of Kwang Hae-gun, Jo-seon soldiers go to war with China after an invasion. In the middle of Manchu, three people who have barely survived are being cornered by the Chinese forces, and begin a bloody battle not with their enemies but with their friends.
In the Joseon Dynasty, two friends who grew up together — one the master and one the servant — reunite post-war as enemies on opposing sides.
A servant falls in love with a girl whom his master also desires. Although the girl loves the servant, she also longs to improve her station in life.
Once at a pagoda Mongryong Lee, a scion of a well-to-do family, meets Chunhyang, the young daughter of a courtesan and an aristocrat. Despite her low social standing she is smart and well-educated. The young people fall in love and think about marriage so that they could always be together. Mongryong is soon to go to the capital to take the state civil service exam. They part and in Chunhyang's life there appears the greedy and lustful Byun Hak-do, who tries to seduce her.
After being blinded in a coup against the king, Joseon's greatest swordsman goes into hiding, far removed from his city's anguish. But when traffickers kidnap his daughter, he has no choice but to unsheathe his sword once more.
Iljimae's parents were killed due to a conspiracy when he was young. Many years later he became a chivalrous robber, robbing corrupt officials and helping the poor. He eventually manages in taking revenge for his parents' deaths. But the police start to chase him, and he hides himself at a gisaeng's house. The gisaeng was his ex-fiancee. She also lost her parents to a conspiracy. She begs Iljimae to stay with her, but he leaves to do what he has to.
Mu Myeong is a Joseon dynasty headhunter who meets and falls in love with lady Ja Yeong who will become the future Empress Myseongseong. A few years later, Ja Yeong enters the royal palace to marry King Gojong. Mu Myeong still having feelings for Ja Yeong and in an attempt to get closer to her becomes her personal body guard.
During a time of poverty and despair in the Joseon Dynasty of Korea, a satirical street play that pokes fun at the ruling class while giving a prophecy of ‘a new leader to save the world’ becomes immensely popular among the people. The author of the fable, Heung-boo, subsequently gains fame around the country and is sought after by both the oppressive political power and the rebellion leader who want to use his name and talent for their differing agendas.
Lee Gong-jin, a young tailor, helps the Queen with her dress and both fall in love with each other. However, his success catches the ire of Jo Dol-seok, the royal tailor, who vows retribution.
At the end of the Joseon Dynasty, shortly after the Eulsa Treaty has been forced to be concluded by Ito Hirobumi and the pro-Japanese courtiers, Japan pressures King Gojong to step down from the throne. Meanwhile, An Jung-geun, who is cultivating men of ability at Samheung school, is deeply impressed by a speech made by An Chang-ho, and heads for Russia to volunteer the army fighting for independence of the country. As both a lieutenant general of the Korean militia and a commander of the Korean expeditionary force in Manchuria, he carries on the independence movement in defiance of Japanese coercion.
Yun-jeong, a skilled painter, disguises herself as a man in court to continue her family's legacy. Circumstances become difficult when her relationship with Kang-mu draws jealousy from the others.
Upon receiving the body of a maid in waiting who was said to have hung herself within the palace walls, dedicated doctor Chun-ryung begins to suspect foul play. Upon launching a personal investigation, however, Chun-ryung quickly discovers a labyrinthine maze of deception constructed by those with limitless power to conceal a valuable secret.
A monk gives an impaired man the secret to a strong arousal. The man had been teased and tortured until the travelling man decides to help him out.
Although born a daughter of an aristocratic family, Jin-yi discovers the secret behind her birth and enters into a life in a brothel as a gisaeng.
Two clowns living in Korea's Chosun Dynasty get arrested for staging a play that satirizes the king. They are dragged to the palace and threatened with execution but are given a chance to save their lives if they can make the king laugh.
During the last days of the Yi dynasty, conflict arises between the China-leaning conservatives, and the Western-learning and Japan-leaning reformers over how to rule Korea in the future. The reformer Kim Okgyun helps persuade the king to announce Korea's independence, breaking with China. When a conservative agent informs China, Chinese troops enter Korea and end the reign of independence after three days.
Ancient Korea, July 4, 1762. The Crown Prince Hyojang, posthumously named Sado, son of King Yeongjo of Joseon, is accused of treason. Thus, the king asks him to commit suicide, but his closest vassals prevent it, so the king orders the prince to get inside a wooden rice chest, where he suffers deprivation of food and water.
Prince Yeonsan-gun attempts to sexually harass Yahwa, the wife of Yun Pil-u who was beheaded after being branded as a traitor. Yahwa commits a suicide following her husband but, before she dies, has already asked her cat to make revenge. Since that time, the bodies of the court ladies and the patrol guards are found every morning and ghosts of Pil-u and Yahwa regularly appear along with the mewing sound of the cat. Kim Chung-won, head of the guardsmen and also a former friend of Pil-u, borrows the supernatural power of a senior Buddhist priest and succeeds in getting rid of the ghosts for the peace of the nation.
Lee Mong-hak and a skilled blind swordsman Hwang Jeong-hak, both long to wipe away corruption and heal the world. Lee Mong-hak creates a rebel army to achieve his goal and get rid of the King.
In 1782, King Jeong-jo of Joseon asks detective K to investigate a series of murders related to a case of corruption within the government.