Catherine attempts to prevent the union by poisoning Mary's lady-in-waiting, Kenna . Instead, Lady Aylee accidentally drinks the tea and is later pushed to her death by the mysterious Clarissa .
Li Qin (Fu Yixiao) and Chen Zhe Yuan (Feng Suige). [S1E8] Fated
Yixiao begins to regain fragments of her memory, leading to questions about who betrayed her on the battlefield. Catherine attempts to prevent the union by poisoning