Shen Qiongzhi is the fake princess of Prince Fu's Mansion, and Pei Du is the head of the Supervisory Yuan who specializes in investigating imposters.
He saved her from falling into the water at the flower viewing party, and revealed the secret she had kept for sixteen years: "The princess has a cinnabar mole behind her ear, but you don't."
She didn't ask him to keep it secret. She asked him: What do you want?
He wants an old copy of the Weaving Mansion hidden in Prince Fu's Mansion. She trades old gear for secrets, and he trades secrets for chess games. Two people who lived by pretending made a deal on the edge of a knife.
Until she discovered that what he wanted was more than just an old friend - he wanted revenge for the family's destruction. And her adoptive father is on the enemy list.
