Falsely accused and imprisoned in her previous life, she died with grievances unavenged.
Reborn just before disaster strikes, she offers up the accounts of corrupt officials and makes a deal with the Prince Regent: investigate one family, and keep one family safe for a month.
But the deeper she digs, the more she uncovers: beneath the capital lies not gold, but enough gunpowder to destroy half the city.
And the man who failed to protect her in her previous life is now waiting for her in a silk shop in Jiangnan, ledger in hand.