The life swap begins with Consort Hua becoming Lady Qin.

When Nian Shilan and Xiao Qinshi make a fateful pact to swap lives, a new legend begins. Xiao Qinshi—possessing the face of a Guanyin and the heart of a serpent—steps into Nian Shilan’s era to protect the doomed Nian family. Meanwhile, Nian Shilan takes on the identity of Qin Shilan, determined to pave a flawless, regret-free path for her counterpart. Now stepping into her new role as Madam Qin, Nian Shilan looks upon the hopelessly clueless Dongchang Marquis's household with a cold sneer and unleashes her formidable power. To the fragile and pretentious Lady Qin, she delivers unsparing truths. To the mediocre second son of the Qin family, she issues a harsh ultimatum: master horsemanship and literature before daring to claim the status of an elder brother. And when confronted with her sister's dying deathbed plea to enter the Marquis's household as a concubine and raise another woman's son, Shilan laughs in scorn at the sheer absurdity. Free from constraints and armed with sharp wit and unyielding strength, she is ready to turn this aristocratic family completely upside down.