An extended dream sequence presents a biblical allegory about the creation, downfall and rebirth of humanity, told through a series of surrealistic vignettes and musical numbers.
Letter carrier Eva is in her late twenties, unmarried and the mother of a twelve-year-old son. She falls in love with Jon, a bargeman who is unfortunately already engaged.
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.