In a tale of heroism and revenge set against the backdrop of early 20th-century China, Iron Monkey teams up with his blind friend Jin to bring underworld agent the Tiger to justice. Their quest becomes personal when Jin's son arrives, leading to the tragic loss of his father. Now driven by a desire for vengeance, the young man joins forces with Iron Monkey to launch an attack on the Tiger's lair, sparking a fierce battle that will determine their fate and the future of the town.