The calm and intelligent Lin Jianyue believes in "no love, no faith, only utilization". She returns to the Lin family with a dog training manual to seek justice from her stepmother Zhao Wanya and her half-sister Lin Lanxing, and to reclaim the usurped family property. Returning to her ancestry under the identity of an illegitimate daughter, she holds evidence to blackmail the Lin family, enters Huanchen Academy, but is assigned to Class F. Lin Jianyue pretends to be weak and subdues the irritable school bully Zhong Hui as a shield. Student Union President Qi Yanchun sees through her disguise and plays a tug-of-war with her with a spectator mentality. At the banquet, Lin Lanxing drugs and plots against her, but Lin Jianyue plays along and turns the tables on her opponent. After being expelled by the Zhong family, she subdues her gloomy and paranoid roommate Xie Zhihuai. She deliberately approaches the powerful.