Deloris Van Cartier is again asked to don the nun's habit to help a run-down Catholic school, presided over by Mother Superior. And if trying to reach out to a class full of uninterested students wasn't bad enough, the sisters discover that the school is due to be closed by the unscrupulous chief of a local authority.
Salvatore "Sal" Fragione is the Italian owner of a pizzeria in Brooklyn. A neighborhood local, Buggin' Out, becomes upset when he sees that the pizzeria's Wall of Fame exhibits only Italian actors. Buggin' Out believes a pizzeria in a black neighborhood should showcase black actors, but Sal disagrees. The wall becomes a symbol of racism and hate to Buggin' Out and to other people in the neighborhood, and tensions rise.
When shadowy U.S. intelligence agents blackmail a reformed computer hacker and his eccentric team of security experts into stealing a code-breaking 'black box' from a Soviet-funded genius, they uncover a bigger conspiracy. Now, he and his 'sneakers' must save themselves and the world economy by retrieving the box from their blackmailers.
