In her past life, Su Wan wrongly trusted others, devoting her heart to her boyfriend Chen Yu and best friend Lin Rurou, unaware that the two had long been having an affair. They teamed up to steal her painstakingly completed thesis, snatched the graduate school recommendation quota that rightfully belonged to her, and also spread rumors everywhere to slander and torment her in every possible way. Driven to desperation, Su Wan ultimately died in a car accident. Reborn overnight, Su Wan returns to her sophomore year, shedding her past weakness, and vows to take back everything and expose their hypocritical masks.