The male lead, Li Sheng, is 186 cm tall, or 189 cm in shoes: a real suit-wearing bruiser. His net worth is over a hundred million, and his companies operate both at home and abroad. Yet his mother has gone and found him a wife who loves to pick fights. The heroine, Xia Yi, is 168 cm tall and a beauty in a qipao. She owns the only qipao shop of its kind in the world and is its chief designer. You have to book a year in advance to buy one of her qipaos. That's how bold she is.
By chance, she meets Madam Ning, the male lead's mother, who has come to choose a qipao. The moment Madam Ning sees Xia Yi, she decides this is the woman who should be her daughter-in-law. She pesters Xia Yi until she gets her contact details, then successfully sets them up. Xia Yi agrees because she already likes the male lead. When she was a child, something terrible happened: her biological parents sold her to human traffickers, and the male lead rescued her.
Why does she agree, and how does she know all this? Because she transmigrated into a book. She used to be a university student majoring in design, but during a competition, someone framed her for plagiarism. She planned to fight back head-on, because she wasn't the kind of woman who would let others push her around. But as she left the stage, someone deliberately tripped her. She fell, hit her head, and died. When she woke up, she discovered she had transmigrated into the very book she'd read while preparing her competition project.