What Should I Do with You, My Worshipper Sis?

Xu Luoxi is deeply in love with Song Xichen, who shares with her the same father. After she lost both of her parents, she was abandoned by the family. Only through painstaking investigation was she able to find out that car accident involved intricate financial and emotional conflicts. Where would the love and hatred between the two generations lead them? And what’s the future of him and her?