The Omega Man (1971). Based four years later in 1975 after the Sino-Soviet border conflict escalated into full-scale biological warfare that ends up destroying most of the human race and turns most survivors into a hostile dreaded inhuman plague, US Army Col. Robert Neville is fighting to survive in post-apocalyptic LA. He spends his days patrolling now-desolate LA, salvaging basic necessities and fuel, killing members of a cult of hostile plague victims and searching for other normal humans like himself who are still alive. When Neville discovers he has a cure for the plague he bands together with other normal survivors in attempt to rebuild human society and kill off the hostile mutant plagues.