Suffering from insomnia, disturbed loner Travis Bickle takes a job as a New York City cabbie, haunting the streets nightly, growing increasingly detached from reality as he dreams of cleaning up the filthy city.

Humbert Humbert is a middle-aged British novelist who is both appalled by and attracted to the vulgarity of American culture. When he comes to stay at the boarding house run by Charlotte Haze, he soon becomes obsessed with Lolita, the woman's teenaged daughter.