A sassy, drop-dead gorgeous heiress clashes with the refined, high-and-mighty CEO, Mr. Bao Jinlan. Jiang Yaoyao had a secret crush on Bao Jinlan for ages, being super cautious and discreet about it, until one day, she woke up in a hotel room with him sleeping right next to her... And then, she somehow became Bao Jinlan's fiancée. Nobody dared to mess with her in the Jiang family anymore, and the big shots in the city's social scene respected her to no end. Everywhere she went, the youngsters would call her 'Big Sis,' and Mr. Bao? Well, he suddenly got addicted to being around her.