A Wong Fei Hung as a young man who matures almost overnight when, upon the death of his father, he ascends to the leadership of Po Chi Lam, his father’s martial arts school.  When the nephew of the local Mayor of Canton colludes with the British consul in opening an opium salon, Wong breaks up the operation, incurring the wrath of both the British and and Mayor.

On the other hand, a vicious Japanese swordsman who is going around killing top Chinese martial artists in duels to prove his mastery of martial arts.  He had once been a student of Fei Hung’s father, Wong Kei Ying, and he comes to Canton to challenge the father only to find he is dead, so he challenges the son, Fei Hung.  Meanwhile, the Japanese swordsman’s sister meets and falls in love with Fei Hung. The Japanese guy aids Fei Hung when the British set a trap for him, but it’s all so Fei Hung can showl up on one piece for their scheduled duel.