In a corner of the city stands an old, venerable bookshop. Lin Xia owns it and has spent countless days and nights there. Ten years ago, she confessed her feelings to Gu Yan, but he turned her down. Ten years later, Gu Yan reappears in her life as a famous writer. When they meet again, ginkgo leaves begin to fall inside the old bookshop, as if telling the story they never finished...