After dying, the female emperor Jiang Yu transmigrates into the body of the fake heiress of the Jiang family, who was switched at birth. Upon awakening, she repeatedly attempts suicide in hopes of returning to her own era, but unexpectedly discovers that Shen Ji, the empress from her previous life, is also alive. Determined to bring the empress home, she frequently climbs over walls in the middle of the night to abduct her, repeatedly gets caught and taken to the police station, and needs her sisters to bail her out. As they spend time together, Shen Ji, whose personality is ruthless and obsessive, gradually falls for Jiang Yu. Together, they resolve their family crises and help Shen Ji uncover the true culprit behind the schemes that harmed people. In the end, Shen Ji's cold poison is cured, her memories return, and the two live happily together.