fan zhen is the owner of tianyi pavilion, the first library, and shuhan (played by huang lei) is his adopted son. lin ruoyun (played by ma yili), the daughter of shuhan and fan zhen’s friend lin zhenggong, was secretly determined to be a lifelong life. however, lin ruoyun unfortunately drowned, and shuhan also had to wander around and live a wandering life. ddd　　 by chance, shuhan met mingni (played by ma yili), and was surprised by mingni's appearance that was almost exactly the same as lin ruoyun. then, shuhan fell in love with her inability to control herself. at the same time, shuhan's sister was forced to marry lin zhenggong's eldest son lin shaoqing (played by geng le). the japanese army came and shuhan and mingni were separated in chaos. when shuhan went to europe and finally found mingni's whereabouts, he found that she was seriously ill and had not been too long. the war caused tianyi pavilion's collection to wither, and a family went from prosperity to decline.