Veteran black comedienne Jackie "Mobs" Mabley is featured in her first (and last) starring vehicle, Amazing Grace. Essentially playing herself, Mabley portrays a feisty ghetto dweller who champions the cause of ex-convict Moses Gunn. With the old lady's help, Gunn is elected mayor, then proceeds to clean up his corruption-ridden administration. Amazing Gracealso includes appearances by Slappy White, Butterfly McQueen and Stepin Fetchit.