A noble swordsman, whose arm had been chopped off, returns to his former teacher to defend him from a villainous gang of rival swordsmen.
The Yu family earn the ire of the Green Dragon clan when the daughter kills the clan chief's son. The Green Dragon chief wounds family head Yu Yuan with his flying daggers, and kills many others who try to protect the noble family. Wandering swordsman Ying Qing saves the family in a fight, using his own flying dagger skills, but his allegiances and motives are unclear.
Based on one of China's enduring epic novels, written in the 14th century, "All Men Are Brothers" continues the patriotic story of righteous warriors battling despotic leaders, featuring mythic characters familiar to every Chinese, and with a cast that has achieved an equally celebrated status among Shaw Brothers devotees.
