Gu Yunxi grew up as an independent and tenacious jewelry designer under the love of her adoptive parents. Once her life experience was revealed, she returned to the wealthy Gu family. Faced with the fake daughter Gu Mingzhu, who has long occupied her position and is innocent but cruel, as well as her deceived family members, she calmly deals with it and uses her talent and wisdom to gain a foothold in her family and industry. The fake daughter kept setting up traps, and there were many conflicts within the family. During the counterattack, Gu Yunxi gradually discovered that the mistake was not an accident, but a conspiracy against her biological mother. In the process, she got acquainted with Lu Chaoyang, the heir to the Sunshine Group, and gained firm support. In the end, Gu Yunxi revealed the true face of Gu Mingzhu and the people behind him, smashed the conspiracy, healed the family trauma, started a new chapter in his career with his lover, and completed the gorgeous transformation from a "stand-in" to a real person in power.