The King of Tears, Lee Bang Won Season 1 Episode 8

Despite his father’s order not to touch Jeong Mong Ju, Bang Won defies him and is determined to put an end to the chancellor’s life. The death of Mong Ju has given Lee Seong Gye a chance to retake the throne, but as much as the General respects Master Poeun, he banishes Bang Won and his brothers from the house for disobeying his intentions. Now with Jeong Mong Ju gone, the fate of the throne lies within the hands of the family of Lee.