sentences:  All take pity on "Reverend Jim" Ignatowski, an aging hippie minister, who is burnt out from drugs, so they help him become a cabbie.The characters also include Latka Gravas, their innocent, wide-eyed mechanic from an unnamed foreign country, and Louie De Palma, the despotic dispatcher.A number of episodes involve a character having an opportunity to realize his or her dream to move up in the world, only to see it yanked away.