Haechi Temporada 1 Episódio 27

The special judiciary agency is opened to investigate the Crown Princes involvement in treacherous plottings. Wi Byeong Joo was being interrogated but is released and takes charge of the treason case. Dal Moon is now working for Prince Milpoong. He spreads rumors in the city, saying that the Crown Prince isnt the late kings son. Moon Soo and his colleagues find evidence related to Byeong Joos coverup of Jeong Seoks murder.