A crazed Vietnam vet bomber hijacks a Boeing 707 in this disaster film filled with the usual early '70s stereotypes, and demands to be taken to Russia.

Due to an experimental vaccine, Dr. Robert Neville is the only human survivor of an apocalyptic war waged with biological weapons. Besides him, only a few hundred deformed, nocturnal people remain - sensitive to light, and homicidally psychotic.

A former football hero cannot accept his career is over. He loses himself in alcohol and women.