"Who Understands A Daughter's Heart" is a family drama with a theme of revenge that tells a story of joy and sorrow. Jinzhu, played by Yu Xiaofan, was born into a rich merchant's family and is a typical example of a hard-mouthed but soft-hearted woman. She values family, so she adopts her husband's "illegitimate daughter". She has mixed feelings of love and hatred for her husband, while her girlfriend Qiuyan secretly plots against her. In the face of Ding Jie, her husband's arrogant and overbearing mistress, she can't help but confront her. However, in order to preserve the family, she endures humiliation and carries a heavy burden.