Due to unexpected changes in the family, 12-year-old Sun Queer had to hand over his younger brother, who had always trusted and loved her, to a trafficker, and was sold by his parents to the Jiang family as a child bride.
She originally thought that was the beginning of a life of being dependent on others, but she found that the situation was much better than she expected - Aunt Ru who took care of her at all times, the eldest son who was always gentle and warm, the second son with an eccentric but kind temperament, the innocent and lively little sister Jiang Yunxi... The Jiang family's life was even better than her original life.
Sun Queer wanted to live a peaceful life like this, but she never thought that she would reunite with her younger brother who had changed his appearance. The stone he got by chance seemed not as ordinary as it seemed...