
이산
At the young age of 11, Lee San witnesses his father Crown Prince Sado's death, but he does not lose his cheerfulness with his strong heart and a gentle personality. He even inherits his grandfather's intelligence, King Yeongjo, and a warm view toward humans. Lee San, who is good at both studying and martial arts, becomes the next king after Yeongjo. Song Yeon is the woman King Jeongjo loves. Song Yeon is talented in painting thanks to her father from a flower garden. While running errands in the royal art department, she enters the palace and establishes a relationship with Lee San. Will Lee San be able to overcome various schemes, stand up against maligning forces, and ascend as a king? And will he be able to achieve love with Song Yeon despite their difference in status?

King Young Jo commences a brutal torture for the Crown Prince Sado. A new addition to the royal court, Song Yeon, runs into Dae Soo as he attempts to escape.

Crown Prince Sado's son, Yi San, works to save his father as well as Dae Soo with the discovery of a painting. Song Yeon decides to help the dangerous rescue attempt.

Using the painting, Yi San's plan to save the life of his father is ignored by an angry King Young Jo. Devastating news concerning the death of Crown Prince Sado reaches Yi San.

The discovery of weapons at the East Palace causes King Young Jo to seek information about those around him. Yi San continues his attempt to prove the innocence of Crown Prince Sado.

Yi San survives an attempt on his life by an unknown man but the potential murderer commits suicide. Princess Hwa Wan talks to her father then meets with Choi Seok Ju.

A familiar dead body leads Yi San to information about who is behind the attempts on his life. Song Yeon, with the assistance of Park Young Moon, confronts false accusations of theft.

Song Yeon must prove to Wang Yu that she is a skillful painter. Dae Soo's theft causes problems for the important meeting between Yi San and representatives from the Ching Dynasty.

After assisting Queen Hyo Eui with a task, Song Yeon is kidnapped. Dae Soo attempts a dangerous rescue mission while Yi San orders soldiers to save the captive Song Yeon from Gakjung criminals.

Yi San learns his signature is being forged and uses the help of artists to discover the forger's identity. A terrified Song Yeon tries to alert Lee Chun to her whereabouts.

King Young Jo presents a demonstration about how the forgery could have occurred. Dae Soo plans on taking the entrance test to join the military and become Song Yeon's guard.

The East Palace experiences a brutal attack that leads to the death of some palace guards. King Young Jo gives Yi San the difficult task of questioning prisoners for information about the event.

Yi San disobeys orders to obtain information and ends the prisoner interrogation techniques. Hong Guk Young and Dae Soo find evidence that San is innocent of trying to overthrow King Young Jo.
A surprised Yi San discovers that Han Joon Ho is responsible for the plans against him. Dae Soo leads San and Nam Sa Cho to the vacant area where training occurred for a possible assassination.
Yi San must balance his emotions as he discovers information about Princess Hwa-wan. King Young Jo is shocked to learn that someone close to him is involved in the murder plot.
Princess Hye Bin presents an unique item to Princess Hwa Wan. A member of the royal court gives Queen Hyo Eui information about Song Yeon's encounter with Jung Hoo Gyeom.
Princess Hye Bin commissions Song Yeon to work on a special project for Queen Hyo Eui. San makes a surprise visit to Queen Hyo Eui while Song Yeon is there.
An unknown illness strikes King Young Jo while away from the palace. Empress Jung Soon sends word that Yi San should be killed if King Young Jo fails to survive the sickness.
Opponents to the prince attempt to stage a coup by returning the ailing King to the palace. The empress wants to know why Yi San is unhappy to see the king.
Yi San faces the difficult choice of allowing Princess Hwa Wan to live for another day. Preparing for the possible death of King Young Jo, Empress Jung Soon issues a command.
Yi San is now in charge of looking after the kingdom and working with its officials on important matters. Hong In Han receives encouragement from Choi Seok Joo to start a friendship.