She was a golden female agent in the 21st century who traveled to an unrecorded dynasty and became a 10-year-old child. She had been engaged to the fourth prince since she was a child. Before she even met the fourth prince, Zhang Heliang, he was sent to fight by his father. She did not come back until she was 17 years old, and he already had a girl he liked. How should she face it. . . . . .