Jeon Woo Chi is a fantasy period drama based on the ancient novel, “Jeon Woo Chi Jeon”’ Due to his friend’s betrayal, he loses Hong Gil Dong, who was like a father figure to him, and Hong Mu Yeon, the woman he loves. He tries to get his revenge.

Jeon Woo Chi uses Jeonjeongsul Magic and finds out that Ma Gang Rim had killed the monks and absorbed their powers, but just barely misses him. Bong Gu, a slave from the royal stable, was going to go over the wall of a rich family to pay off his 200 yang gambling debt to Lee Chi, but witnesses Gang Rim killing the nanny of the dethroned king. Lee Chi tries to help him, but Bong Gu, who was hallucinating due to the nux vomica smoke, confessed that he was the killer.

Jeon Woo Chi and Gang Rim finally meet. But Gang Rim doesn’t recognize Jeon Woo Chi, who’s living as Lee Chi, and runs away. Thanks to Jeon Woo Chi’s brilliant wit, Bong Gu survives from an impending hanging and decided to become Jeon Woo Chi’s helper. On the night of the full moon in the palace, the court lady who was going to move the screen of the jade box is killed by someone.

Lee Chi’s book was found at the crime scene and he is suspected as the killer. Thanks to the help of So Chil, the head eunuch, he gets away. So Chil and Ma Suk both want to find Craftsman Choi, the best scroll craftsman in Joseon. While trying to save Craftsman Choi, Jeon Woo Chi is hit by a poisonous needle that Ma Gang Rim’s henchman shoots at him. He is unable to get to Gang Rim again.

So Chil is still suspicious of Lee Chi. Eun Woo and Seo Chan Hwi are trying to solve the murder case. Mu Yeon, who takes So Dong with her, comes back to Ma Suk after he uses a spell.

Ma Suk and his gang narrowly escapes So Chil and the eunuchs and made Dung Gae testifies falsely that Jeon Woo Chi was the one who took the scroll. Mu Yeon struggles after seeing Jeon Woo Chi and Gang Rim decides to kill Jeon Woo Chi. To save Mu Yeon, Jeon Woo Chi finds Gang Rim, but falls in danger due to Gang Rim’s trick.