Two university students, both named Yu Zhen but leading contrasting lives. "Campus weed" Lin Yu Zhen, known for her outspokenness, balances it with kindness and sensibility. Meanwhile, "Campus flower" Ling Yu Zhen, an elegant and ambitious heiress, hails from wealth. They both share an attraction to "Campus bad boy" Yang Kai Jie. Fifteen years later, Yu Zhen excels in her career, Xiao Ling takes over her family business, and Kai Jie becomes a renowned business consultant. When he returns to Taiwan as a guest lecturer, he discovers that one of his students is none other than Yu Zhen, rekindling old feelings and reigniting an ambiguous love triangle.