Gu Xin was an orphan since she was a child. On the first day of school, she met the second son of the Yu family.
My brother is gentle Yufeng, but he is mute.
The younger brother is Yu Bing of sunshine, but his whole body exudes an icy aura.
What is their true identity: students or killers?
What is the relationship between the three of them: brothers and sisters or ordinary people who have nothing to do with each other?
What kind of story will happen between the three people?