Su Jinxin, who was born in the countryside and went to college in the city, encountered a series of dilemmas after graduating from college. She could not go back to her hometown, and it was difficult to fully integrate into the city where she lived every day. For her young lover, there was an insurmountable family gap in their lives. For decades, It is not love that she owes to her male best friend who has been silently supporting her. It is to stay or leave. It is to bravely pursue love and break through self-limitation, or to enter a stable marriage without love. How to choose in life, Jinxin returned to the Sophora Flower Alley of her childhood and found the answer in the faint fragrance.