A mentally unstable Vietnam War veteran works as a night-time taxi driver in New York City where the perceived decadence and sleaze feeds his urge for violent action, attempting to save a preadolescent prostitute in the process.

Two closely bound, emotionally wounded siblings reunite after years apart.

Aspiring comic Rupert Pupkin attempts to achieve success in show business by stalking his idol, a late night talk-show host who craves his own privacy.