Zhiwei was sold by her father at a price of "three thousand gold", and Xiao Weili defined her as a "buyer". But she uses the way of thinking of a businessman's daughter to "keep accounts" and turns every grievance and tenderness into her own bargaining chip - not a calculation, but a forcible establishment of subjectivity in the materialized fate. In the end, she was no longer "goods", but the person who held the account book and dared to say "you owe me" to the Liao general...
Concept: In troubled times when everyone is priced, two people who "shouldn't have met" use an unclear account to prove that people can never be completely liquidated.