Has your heart recounted softly what dream it has had, what it feels attached to, why it is laden with grief and what it cannot give up in the deep night? Has your heart entrusted you to carry out some tiny promises? Heart can also feel jealous. Hu Qiu, an intelligent and tactful young girl, can see through everything with great insight. Xiang Ming, a composed and competent prosecutor, runs into Hu Qiu in her childhood when taking the heart-changing surgery in the hospital. A word of encouragement from Hu Qiu remains in the memory of Xiang Ming for many years. They get closer to each other after suffering different misfortunes...