Modern supermodel Nan Xiangwan is unexpectedly reborn into the 1980s as her chubby namesake, forced by her scheming stepsister Nan Qianqian to marry a cold and impoverished military officer, Gu Yezheng, in her place. On their wedding night, a drunken Gu mistakenly consummates the marriage with her. The next day, upon learning the truth, he lashes out at her for being manipulative, and they agree to divorce in six months. Facing ridicule and misunderstanding, Nan Xiangwan vows to turn her fate around. Armed with her knowledge of modern fashion, she launches her own brand, undergoes a dramatic transformation, and stuns everyone—including her rival Nan Qianqian—at a cultural performance. Gu Yezheng gradually finds himself drawn to this new, confident Nan Xiangwan, who is no longer the meek “clingy girl” she once was. To his surprise, he also discovers she is the girl from his childhood who once saved him—the true owner of the "butterfly necklace." As Nan Xiangwan builds her career and outwits the scheming green
