Shu Yi, a maverick girl, lost her father at a young age and has been dependent on her brother Mo Gu Yang since childhood. In order for his sister to inherit the family business, Mo Gu Yang completed his studies while running the company left by his father. Shu Yi grew up in a relaxed and happy atmosphere with a wealthy family and the love of his elder brother. Mo Gu Yang looked at his slim and graceful sister who was getting older day by day, his eyes became darker and more depressing, but Shu Yi knew nothing about it. On Shu Yi's eighteenth birthday, Mo Gu Yang's girlfriend told Shu Yi a secret that had been hidden for eighteen years. Shu Yi was hit hard and got angry. After moving away from Mo's house, Shu Yi encountered a series of unbelievable things that could only be encountered in legends: cursed diamonds, real vampires, beauties who have lived for thousands of years, time shuttles... Can she still avoid danger every time and survive safely? Is there anything else that brother Mo Guyang is hiding from Shu Yi?