Lin Yanqiu, an ancient book restorer, inherited the "Secret Book of Restoration" handed down from his ancestors and returned to his hometown to take over the intangible cultural heritage workshop that was on the verge of dissolution. She restored damaged ancient scrolls with her secret book skills, solved problems such as "faded ancient paintings" and "broken page codes", fought against capital's misinterpretation of intangible cultural heritage, united old craftsmen to train new people, and finally revived the ancient book restoration skills, and also unveiled the century-old bond between her family and intangible cultural heritage.
