Tushan Jiu, a cursed Blade Creditor, descends the mountain to fulfill her marriage contract with the Son of Fortune, Sebastian Shaw, in order to break the curse. After coming down the mountain, she uses her ancestral ledger to collect blade debts for her dowry while also extending blade credit, dealing with various metaphysical incidents. During her time with Sebastian Shaw, sparks fly between them. What began as a mission solely to break the curse gradually blossoms into true love...