(Ancient proverb + palace fight and house fight)
Su Zhiyi, the lord of Fu'an County, is the seventh daughter of the Duke of Guo, the youngest daughter of the fourth family, doted on by her parents and cherished by her elder brother.
Song Yan, the eldest son of the protector of the country, grew up in the palace, a young general, and a prince with a different surname.
Concept: ancient times