Ten Thousand Paths, One Sovereign - Episode 2

Crown Prince Zain is accused of treason by his father, the King, based on a forged letter calling for regicide. Despite his protests and a minister's plea for caution, the King banishes Zain's mother, Consort Erin, to the Cold Palace and sentences Zain to have his Divine Bone extracted. During the brutal procedure, Zain's brother, Riley, reveals he is marrying Zain's love, Roselyn, and thanks him for the bone. After Zain's reported execution, ministers crown Riley as the new Crown Prince. Later, a mysterious figure confronts someone, declaring they have been waiting.