Young carpenter Xu Qinghe struggles to keep his master's left-behind Liuqing Hall. Commissioned by old locksmith Lu Guangde to restore a rosewood treasure chest, he accidentally discovers old letters and bills in a hidden compartment, unearthing a thirty-year estrangement between two old craftsmen. Faced with rent pressure and high-salary temptations, he upholds ancient restoration methods, winning Uncle Lu's trust with patience and sincerity, and uses the old letters and clearing vouchers to reveal his master's past of single-handedly repaying debts, bringing Uncle Lu and the master's wife to a reconciliation. Finally, with his exquisite craftsmanship, he secures an old house renovation order, reviving the dying old shop and passing down integrity, affection, and artisan spirit from generation to generation.