Watch Murder on Lenox Avenue for Free: How to Stream the Movie Online at 123Movies. . Dramatic events in a Harlem apartment house center around Pa Wilkins, chosen by the Better Business League to replace their ousted, crooked leader Marshall...who wants revenge; and Pa's ward Jim Bracton, a two-timing Romeo whose affairs are coming to a crisis. And hanging around is Marshall's murderous junkie henchman, Lomax. Will it all end in someone's being killed?