The King of Tears, Lee Bang Won S01 E17 Episode 17

Bang Won's rebellion proceeds exactly as planned. Although he spares his father, he puts an end to those who are loyal to Jeong Do Jeon. Just when things seem to go well, unexpected casualties also occur. Royal blood that should not be split has been shed unrelated to Bang Won's wishes. He becomes confused whether he is a bloodthirsty beast or a man who wants to accomplish a great cause. Regardless, Bang Won now holds the most power in Joseon.