Qian Duoduo accidentally time-travels into an old-school Mary Sue novel, becoming an extra in the four major families' love story. Relying on studying and practice to strive for her future, she defeats Chu Xue in the mid-term exams, drawing threats from Lu Zheng, the crown prince of the Lu family. Father Qian Dabiao parachutes in a hundred helicopters to clear the siege. The young masters of the four major families, in order to compete for Chu Xue, coerce Qian Duoduo to withdraw using means such as money, affection, plagiarism, account tampering, and even kidnapping. Qian Duoduo joins forces with bodyguard Shen Yan to expose the scam, and ultimately enters her ideal university with the top score in the whole province. During this period, Shen Yan's heir identity and the mystery of Qian Duoduo's background gradually emerge.