As racial tensions mount during the 1969 celebrity trial of the Chicago Eight, African American PI Smokey Dalton is keeping a low profile with his son, Jimmy, who knows a dark secret about the assassination of Martin Luther King, Jr. When Smokey finds a group of skeletons hidden in the wall of a building he+s inspecting for investor Lara Hathaway, his investigation leads him into Chicago+s racist past and implicates some of the nation+s most powerful people in a deadly 1919 riot.