It tells a story of this white guy, who wants to steal a sword, but was arrested eventually.
And he spends his time in jail by learning Iron Palm with a elderly Chinese guy.
The villain is a jailer who can fight really well.
After this white guy is released, there is a coming-up fighting tournament, and the prize for the winner is the sword he wants to steal previously, so both he and the jailer attend it.
Finally, he beats the jailer by Iron Palm and wins.

Who knows what movie is this?
A million thanks!!!!!