In the late autumn of Peking, when the begonia flowers were all gone, 29-year-old Song Yian reunited with Mr. Chen, whom he had admired when he was 16 years old. Time flies, she is no longer the ignorant girl she was back then, and he has also experienced more vicissitudes of life. However, fate has already left a deep imprint on the two hearts. When they meet again, inexplicable throbbing and youthful regret are intertwined. Where will another brush with each other lead them... Along the way, there are longings, looking back, and unspoken secrets quietly emerge.
