Her father was brutally killed for delivering a blood-written letter, and Jiang Wan, now an orphan, heads to the capital.
To uncover the truth, she takes up the gentlest weapon of all: matchmaking. In her hands, red threads can bind people in marriage, or weave a trap.
Until she sets her sights on Xiao Yan, the cold-faced Judge of the Dali Temple.
After several rounds of probing, she discovers that the sharpest blade in the hands of this ruthless official is just like her.
He sees through her disguise and whispers by her ear, "Your enemy... is mine, too."
From then on, she uses the human world as her game board, while he wields power as his blade. The red threads she casts slowly tighten around her enemies' necks.
Theme: Justice may be late, but it will come.