Su Wan, the daughter of a medical family, was forced to marry Xiao Yeheng, the powerful god of war. Everyone in the capital knew that the prince had a Bai Yueguang who died young in his heart, and she was just a substitute who had some similarities in facial features and was married to him for happiness. Su Wan's heart was like a mirror, and she only waited for the prince to recover from his illness before asking for peace and separation, and relied on his superb medical skills to escape the world. But she didn't know that Bai Yueguang, who was said to have died long ago, was actually being revived bit by bit by her own hard work. But when Bai Yueguang woke up completely and stood in front of her, Xiao Yeheng locked her in his arms with red eyes: "Who allows you to leave? I want you to be my medicine for the rest of your life..."