The Great Doctor

At the command of the king of Goryeo, Choi Young has to find a noted doctor to treat the princess of Yuan.

Eun Soo performs surgery on the princess and escapes the palace. Gi Cheol wants to kill the princess.

Eun Soo puts makeup on the princess. Eun Soo's heart breaks as Choi Young refuses to get treatment.

"The king appoints Eun Soo as a royal doctor to strengthen his authority, and Gi Cheol threatens Eun Soo. "

Choi Young loses consciousness, and Eun Soo saves him through CPR. Eun Soo's life is at stake due to Gi Cheol.

Choi Young and Eun Soo spend a night together in the forest. The two fall prey to the ruse of Gi Cheol.

Choi Young and Eun Soo run away from Gil Cheol's gang. Eun Soo asks Choi Young to go to the future with her.

As Choi Young is imprisoned, Eun Soo struggles to have him out. The king and Choi Young build a bond of trust.

Gi Cheol locks Eun Soo in his place. Eun Soo is shocked to check out the second relic brought by Gi Cheol.

Eun Soo runs into Yi Seong Gye and feels confused because he made Choi Young die in history.

Court Lady Choi tells Eun Soo about Choi Young's painful past. Eun Soo disguises herself as a man.

Eun Soo risks her life to save Gi Cheol's life. Eun Soo tells Gi Cheol that he will die in five years.

Choi Young gets Eun Soo a new knife and teaches her how to protect herself. Gi Cheol is up to a new plot.

Choi Young decides to send Eun Soo back before she gets in bigger danger, so he takes the blame for Il Shin.

Lord Deukheung gets the royal seal by luring Choi Young with Eun Soo's antidote. He raids Gi Cheol's house.

Eun Soo happens to see the diary that foretells Choi Young's death. Choi Young tries to protect the throne.

Lord Deukheung demands Eun Soo marry him, and Eun Soo accepts it to save Choi Young from the trap.

Choi Young shows up at the wedding and kisses Eun Soo. Woo Dal Chi's squad that serves the king gets killed.

The king has to execute Eun Soo in order to keep the throne. The king makes a deal with Gi Cheol.

Eun Soo and Choi Young go back to the palace to save the princess who is kidnapped by Lord Deukheung.

Eun Soo loses an important ingredient to get the antidote. Eun Soo has to decide whether to stay or go back.

Eun Soo decides to stay in Goryeo, although her life is in danger. Choi Young's arm trembles more severely.

Eun Soo starts to have a fever due to poisoning and decides to take a different type of poison as a cure.

To exclusively own Eun Soo, Gi Cheol runs amok in front of the king, and Choi Young tries to stop him.