Marvin Gaye - Behind The Legend

On his last day alive soul superstar Marvin Gaye is depressed and paranoid. He's abandoned his latest tour and is in his parents' house in LA. His excessive drug use escalates. Soon, his lifelong power struggle with his father explodes in a violent climax as Marvin provokes his father into shooting him twice. What was inve into the Gaye's violent childhood? Why his struggle with drugs?