In this sci-fi cult classic, Zac Hobson (Bruno Lawrence), a mid-level scientist working on a global energy project, wakes up to a nightmare. After his project malfunctions, Zac discovers that he may be the last man on Earth. Zac begins a frantic search for other survivors, while recognizing his chance to live out his fantasies of wealth and power. The discovery of two survivors, first a woman (Alison Routledge) and then a man (Pete Smith), set the stage for critical struggle for survival and emotional conflict culminating in the film's iconic and hotly debated ending