Before graduating and returning to China, international student Gao Yue invited her roommate Shen Lanxi, the daughter of the Shen family, to go camping. Shen Lanxi readily agreed, but Gao Yue pushed her off a cliff and killed her. Gao Yue disguised herself as Shen Lanxi and returned to China to inherit the Shen family group. Unexpectedly, they were soon discovered by their boyfriend Feng Tianyi and best friend Wu Feifei, who deeply loved Shen Lanxi. They decided to play a big role together to find evidence of Gao Yue's murder of Shen Lanxi. Feng Tianyi and Wu Feifei found their junior high school classmate Ye Yanchen, who had been secretly in love with Shen Lanxi for many years. Ye Yanchen was heartbroken and decided to help Wu Feifei. Wu Feifei used her identity as Su Yaqi, a junior high school classmate of Shen Lanxi, to approach Gao Yue. The three of them cooperated to bring fake Shen Lanxi to justice at the inauguration ceremony of the Shen Group Chairman