This article is about a love story between a brother and a sister. His younger sister, Jiang He, was a little withdrawn because she witnessed the death of her biological mother when she was a child. She didn't like to talk very much. However, Jiang He was very concerned about his brother Jiang Yang, because his mother said that in this world, the only one he could rely on was his brother. His father, because of another woman, could be said to have no regard for their feelings. Jiang He blamed her mother's death on her father's cheating, so she was very disgusted with her father. And what kind of relationship will eventually change between her and her brother? What will happen to Xu Xi, the best roommate, the gentle boys Yang Mu and Xu Xi, and the sunny boy Jiang Yang and Jiang He. This will be a love story that no one is optimistic about.