Returned a Single-Legged Man

"Returned a Single-Legged Man on 123moviesyify.com " – Yong-cheol, a gangster living in the 1930's, gains the reputation of having amazing fighting skills. However, he decides to give up his lucrative but dangerous calling for his girlfriend. He agrees to do one more job for his boss, but during the robbery, he winds up killing his girlfriend's brother.