Description: Sergeant Jake Rizzo is chosen by Sabasan as tutor of his grandson Ernie Lee, the last heir of an ancient clan of special martial artists and a highly trained karate fighter. Through the series, Ernie often tends to get into dangerous situations where bullies at school or in the streets of Los Angeles threaten him or his friends, or in dangerous situations where his adoptive father ends up needing his help after criminals which he has captured try to escape or try to harm him.
