A couple unite - she is fluent in the crane style of kung fu, he in tiger style. They have a son, but the boy's father is killed by the evil eunuch Pai Mei. Disguised as a girl, his mom trains him in crane style while he secretly learns tiger style from his father's training manual.
Executioners from Shaolin is a 1977 Shaw Brothers kung fu film based on the life of Hung hsi Kuan directed by Lau Kar-leung. It was released as Shaolin Executioners outside of Hong Kong and as Executioners of Death in North America.