Lu Qianqian never thought that Ling Zixuan would leave her, nor did she think that after leaving, she would forget about him who she loved so much because of a serious illness. But he accepted Gu Yan, who had been silently guarding him for ten years. After Ling Zixuan returned to China, she found that she could not remember everything and decided to take Lu Qianqian back from Gu Yan. After doing a series of things, Qian Qian recovered her memory. When faced with the choice again, between Ling Zixuan, who once loved her dearly, and Gu Yan, who has been silently guarding her for ten years, what choice should she make?