Black police officer Russell Stevens applies for a special anti-drug squad which targets the highest boss of cocaine delivery to LA—the Colombian foreign minister's nephew. Russell works his way up from the bottom undercover, until he reaches the boss.

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.