She was the eldest daughter of the first wife of a wealthy family. She was both talented and beautiful, but the world didn't know she existed. After encountering an accident and wandering around the world, he accidentally met and fell in love with the next emperor. She originally thought she could settle down, but she ended up living a life of dire straits after entering the palace. The emperor's jealousy and suspicion hurt her. She was brutally poisoned, but she was rescued, managed to return to the palace, and began her revenge plan.
He is an unscrupulous, manipulative, and destined emperor. He had a chance encounter with her during a trip in disguise, and he met her three more times after that. He fell in love with her and couldn't help himself. He made her his concubine and doted on her, but a misunderstanding put her in danger and indirectly killed her. After learning that she had come back to life, he took her back to the palace with joy, but he didn't know that he had fallen into her enchantment.
The two people who are destined to be entangled for a lifetime can never grow old together. They can only watch the one they love leaving them, unable to do anything.