In her previous life, Lin Mumu was exceptionally gifted, but her college entrance exam results were stolen by her scheming adopted younger sister through special means. Unable to accept this injustice, she died with regrets. Reborn, she sees through her sister's schemes and calmly faces the college entrance exam once again. Her adopted sister tries to sacrifice her own vitality to obtain outstanding results, but her plan ultimately fails, and she pays a heavy price. Lin Mumu exposes the truth in front of everyone, finally making her family see the facts and come to their senses. From then on, she devotes herself to diligent study and, through her own outstanding abilities, wins a full scholarship to Oxford, heading overseas to pursue her education and her dream life. Meanwhile, her adopted sister, whose deliberate scheming and wrongdoing repeatedly backfire, ultimately suffers a fate in which her losses far outweigh her gains.