Adapted by Waldo Salt and Norman Wexler from Peter Maas's book, Sidney Lumet's drama portrays the real-life struggle of an honest New York City cop against a corrupt system. Neophyte officer Frank Serpico (Al Pacino) is determined not to let his job get in the way of his individuality. Despite his colleagues' leery reactions, he keeps one foot firmly planted in the counterculture, sporting a be...
