The last defence. The last hope. The battle for the future of the world has begun.In the 1980s, faced with the demise of the drive-in and the rise of the multiplex, New World Pictures – the independent studio established by Roger Corman – increasingly relied on smaller-scale productions, made with an eye to the cable TV and home video markets. Among these was Def-Con 4, an example of so-called Canuxploitation or Canadian exploitation cinema, riding on the coat-tails of the boom in post-apocalyptic disaster movies that began in the previous decade.Two months after the planet is ravaged by nuclear war, astronauts Howe (Tim Choate), Jordan (Kate Lynch, The Twilight Zone) and Walker (John Walsch, Blow Out) are forced to return to earth – now an apocalyptic wasteland consumed by radiation and roamed by cannibal gangs. Forced into desperate pacts with unlikely allies, among them eccentric survivalist Vinny (Maury Chaykin, WarGames), the astronauts must draw on all their resourcefulness to