《匠缘》这部纪录片跟随拍摄了三位铁匠。三位年逾古稀的老铁匠在机械化的新时代浪潮冲击下依然坚守着最为传统的手工工艺，几十年中风雨无阻的在狭小的铺子里挥舞着手中的铁锤，携手并肩的用他们的汗水锤炼出纯粹的情谊，铸就了一段兄弟般的友谊。这部纪录片既展示了三位铁匠与传统打铁工艺的情缘，也展示了一个三位老人间不一般的缘分。

The documentary 《IRON MEN》 is following three blacksmiths. Three old blacksmith in the mechanization of the new era still stick to the most traditional manual process, for decades in a small shop regardless of the weather the waving hammer, to temper the pure friendship with their sweat together, cast a brotherhood of friendship. The documentary shows both the relationship between three blacksmiths and their handcraft,and the relationship between them.