The moment Lin Che opens her eyes, she has gone from an audit whiz who took on mountains of illicit money to Su Wan, the eldest daughter of Hangzhou’s wealthiest family in the Northern Song dynasty, who supposedly “drowned herself.” All she has left is a broken jade hairpin of unknown origin and an identity riddled with holes. Her professional instincts make her suppress her shock. As Lin Che pieces together who she is, she uses modern accounting skills to sort out the family’s disastrous books and expose the manager who has been falsifying the accounts, quickly making her mark. Trouble follows close behind: Gu Lin, the sharp-eyed, stone-faced commander of the Imperial City Bureau, suspects her identity, while Shen Qingmo, an idealistic transport commissioner, admires her abilities. Then, among the real Su Wan’s belongings, she discovers an encrypted diary written in English. Its opening line sends a chill down her spine: “Play my part well, and you can go home.” A deeper whirlpool begins to surface. Her transmigration was no accident...