Joseon Attorney: A Morality

Han Soo settles in Hanyang and opens an attorney's office; being notorious for his rude attitude, he gets no customers for a long while; one day, a plum wine seller asks him to file a lawsuit against the leader of the biggest guild in Joseon.

Han-soo tricks master Jang into standing as a witness for Pyo, a criminal; he makes Master Jang make a false statement and gets him accused of Pyo's crime instead; princess Yeon-joo determines to help Han-soo punish both Master Jang and Pyo.

Lady Yeon, the wife of Commissioner Park, leaves her home to stay in Sowongak; it turns out that Commissioner Park abused her and intentionally killed her father to take all of his property; Han-soo steps up to help Yeon file for a divorce.

So-won misunderstands Han-soo's intention and fires him; she finds another attorney to defend Lady Yeon and tries gathering evidence against Commissioner Park; Han-soo also works behind So-won, convincing Myung-wol to testify for Lady Yeon.

After Commissioner Park dies, Han-soo searches his room and finds the jade dragon; Han-soo, Dong-chi and So-won head to Cheongsan to find out who gave the jade dragon to Commissioner Park.

Han-soo comes up with an idea to save the newlywed bride, Young-sil; he successfully calls Ji-sun to Cheongsan so he can report the murder case to the King well; Yoo Je-se learns of Han-soo and realizes that the cases he took weren't coincidences.