A little black line

A play, acted by students, delegates to the conference "Tomorrow's America", in Mackinac.
A young black man gets on badly with his family ; after an argument with his parents, he leaves home and joins a group of black men who fight against white people. He swears with his blood to do everything he can to fight against white people. But one of his white friends tells him about the 4 moral standards and about his experience to put things right. The black man goes back home and reconciles with his parents.