A mentally unstable Vietnam War veteran works as a night-time taxi driver in New York City where the perceived decadence and sleaze feed his urge for violent action.
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.
A Catholic New Yorker falls in love with a girl and wants to marry her, but he struggles to accept her past and what it means for their future.
