Su Wanxing is reborn in her senior year of high school, carrying memories of her family's ruin and her own tragic death. Once a sweet, helpless girl whom everyone could push around, she transforms into a bold heroine determined to protect her family and take down the scum. She vows to tear away the facades of Gu Yanze, the trashy ex-boyfriend, and Lin Weiwei, the fake best friend.
Lu Shiyan, heir to a top-tier wealthy family, hid his love for her in his previous life and watched their chance slip away. In this life, he becomes an overprotective, hopelessly biased husband-to-be. He remembers that she doesn't eat nuts, clears her name when rumors spread, and stands up to the whole school when they doubt her. When the Su family's shipment is held up and they face massive breach-of-contract penalties, he quickly uncovers the truth and brings the logistics company to heel, turning the crisis around. His line, “The best way to repay me is to stay by my side,” is almost unbearably sweet.
From studying at school to dealing with family crises, he backs her without reservation. She goes from cautiously approaching him to relying on him completely, and her comeback after being reborn is filled with mutual devotion. Every scheme cooked up by the trashy ex and fake best friend only brings the two of them closer!