In her previous life, the protagonist, Yu Fu, was a highly skilled female agent. Pan Anya had depended on her older sister since childhood. When her sister was killed for resisting the organization, Anya joined an intelligence agency's assassination unit to avenge her. She detonated a bomb, destroying both herself and the organization. When she awoke, she had been reborn as Yu Fu, the daughter of the prime minister, with all her memories of her past life intact. Since her mother was a concubine, the principal wife constantly bullied them. Even as a baby, Yu Fu committed these wrongs to memory, determined to fight back one day. When the five-year-old young master Hu Li saw the babbling Yu Fu, he took an instant liking to her and sealed his affection with a kiss. He even mocked Yu Rui, the legitimate daughter who bullied her. By the time Yu Fu was eight, her remarkable maturity and intelligence had caught the emperor's eye, and he betrothed her to the crown prince. Four years later, she met the crown prince, Long Xuanyuan, who was captivated by her unusual determination. She boldly told him she did not like him, and he swept out in anger, vowing to win her over. Yu Fu did everything she could to seize control of her own happiness, staging a dramatic escape from her wedding. But how could the future ruler give up so easily? Time and again, he saved her from mortal danger. She gradually fell in love with him, and at last these two stubborn lovers came together, becoming an emperor and empress the envy of all.