Tony spends his Saturdays at a disco where his stylish moves raise his popularity among the patrons. But his life outside the disco is not easy and things change when he gets attracted to Stephanie.
New York cop Frank Serpico blows the whistle on the rampant corruption in the force only to have his comrades turn against him.
Mark Kaminsky is kicked out of the FBI for his rough treatment of a suspect. He winds up as the sheriff of a small town in North Carolina. FBI Chief Harry Shannon, whose son has been killed by a mobster named Patrovina, enlists Kaminsky in a personal vendetta with a promise of reinstatement into the FBI if Patrovina is taken down. To accomplish this, he must go undercover and join Patrovina's gang.
