Gu Ruoxi, a concubine who traveled through time in the apocalypse, was forced to marry Nangong Yu, the "disabled" eldest son of Changyong Hou Mansion. With her strong strength and straightforward personality, she fought against unscrupulous slaves, thwarted villains, and solved conspiracies in the Hou Mansion. She rescued the critically ill Nangong Yu, and even won the emperor's trust with her new accounting method. The reborn sister-in-law Gu Ruolan repeatedly behaves like a monster, causing constant disputes in the Hou Mansion. Gu Ruoxi joins forces with her wife-protecting husband and her enlightened mother-in-law to counterattack and seize power. In the end, she found out the truth about her husband's murder, put down the rebellion, gave up returning to the apocalypse, stayed with Nangong Yu, and became the real mistress of the Hou Mansion.
