On her wedding anniversary, obstetrician Wen Wan treats an unusual pregnant patient: Song Ci, her husband's first love, whom he has never forgotten. Accompanying Song Ci to her prenatal appointment is Wen Wan's own husband, Jiang Tinglan. That same day, Wen Wan makes two decisions: to divorce and to terminate her pregnancy. She calmly completes both the divorce and the abortion, then quietly leaves without Jiang Tinglan knowing. When Jiang Tinglan discovers that Wen Wan has left and learns the truth about her pregnancy and abortion, he finally recognizes his feelings for her. But Wen Wan has already begun a new life, and in the end, all he can do is watch her walk toward a new happiness.