she is framed for causing her stepmom to miscarry with the help of her aunt so the father sends her away where she suffers greatly
she comes back for revenge and uses the male lead in her revenge plot
he is going to marry her aunt
https://kisskh.at/people/107141-zhao-mu-yan
https://kisskh.at/people/144994-zhang-bai-yun
https://www.youtube.com/shorts/FAjj-529QSo