On a rainy night, a wooden box fell on the inn table. There was only one sentence in the box: "Please kill me."
Bai Jiu is the coldest "payer" in the world. He doesn't ask where he comes from or change the price, he just settles the debts he owes one by one. But he soon discovered that what he had made was not a hatred, but an invisible net: someone used favors as bargaining chips and wrote life and death in the ledger. Behind every order is an old case and a hidden thread. The connection becomes deeper and deeper, and the investigation gets closer.
When he finally touched the account, he realized that the account could be settled, but the human heart could not.
