First, in "Souls of Sin," a Harlem gambler spends his days dreaming of better days while living with a struggling writer and a friendly blues singer. But after he begins working for a local gangster, his life becomes increasingly complicated. Jimmy Wright, Savannah Churchill, Billie Allen star. Then, in "Murder on Lenox Avenue," the current leader of Harlem's Better Business League squares off against his crooked predecessor. Gus Smith, Mamie Smith, Alex Lovejoy star. 128 min. total. Standard; Soundtrack: English. Plays All Regions.