Raised in Chuanyuan, Tang Minmin has a straightforward and fiery personality, earning her the nickname 'Chuanyuan Tyrannosaurus'. By chance, she discovers she is actually the long-lost true heiress of the Gu family, creating a true-and-false identity mix-up with the Gu family's adopted daughter, Gu Wanqing. After returning to her biological family, Tang Minmin gradually wins recognition through her authenticity, independence, and solid strength, while her academic achievements and hidden identity are successively uncovered. Amid family friction and self-growth, she always holds true to her original intentions, rediscovering her own family position and life direction.