Su Jinxi is the eldest daughter of the prestigious Su family, a family renowned for its design legacy. Forced into an arranged marriage, she escapes abroad and, through her own hard work, becomes Vega, a celebrated international designer specializing in new Chinese-style designs. Sheng Yunlan, heir to Shengshi Group, falls in love with Su Jinxi at first sight. After returning home, Su Jinxi sets out to find her elder sister, Su Jinghe, who once took her place as a substitute bride. However, she discovers that her sister has been betrayed, and that the man involved has long been conspiring with the famous actress Feng Ying. This also causes a rift between Su Jinxi and her father, Su Qunqing. Determined to rescue her sister, Su Jinxi uses her intelligence to outwit the villains. When she is in danger, Sheng Yunlan is injured while protecting her, bringing their relationship to a deeper level.