The title of this 1976 film, directed by Greydon Clark, was eventually changed to The Bad Bunch. I'm sure you can understand why.
What's it all about? A white veteran goes to a black ghetto to deliver a letter from his black Army buddy who died in Vietnam. He encounters hostility and trouble from all sides.
That says very little.
I did find one review of it, in which the writer states,
I think (Gredyon) Clark (the writer/director) was trying to deliver a racial drama that he felt was true to life, but the unnecessary nudity, cheapness and the amateur acting takes away from any artistic integrity the film may have hoped to achieve.You don't say...
Here's a scary clip I found of the film: