In the early 1970s, a new martial art arrived in America.

It was a style pioneered by two ambitious Korean brothers, Zhu Bangli and Zhu Sangli.

The fighting system was known as Wall-Rang Do, and while the brothers would make California,

the world headquarters of this martial art, they made it clear to all that Wall-Rang Do

was deeply and profoundly Korean.

To the uninitiated, it seemed like these two brothers had taken elements from Kung Fu,

Hokkaido and Jiu-Jitsu to create an interesting and novel form of martial arts practice.

But according to the Lee brothers, Wall-Rang Do actually had a pedigree that was far more

ancient and far more Korean.

Zhu Bangli would claim that his family's martial art was based on a form that had been

taught to him and his brother by a mysterious figure known as Su-Am Dosa.

According to Lee, Su-Am Dosa was a Buddhist monk at the Songwasa Temple in the mountains

of what is today North Korea.

The Lee's father befriended this monk sometime in the early 1940s while Korea was still

under Japanese occupation.

And he convinced Su-Am Dosa to train his two young sons in the master's highly secretive

and exclusive martial arts style.

To see, according to the Lee brothers, Su-Am Dosa was the keeper of an ancient Korean

art that had very nearly vanished from the earth.

It was a form the monk called Um Yang Kwon, and it dated back nearly 2,000 years to Korea's

three kingdoms period.

It was during this era, which began around 57 BC, that a new group of aristocratic warrior

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