Radioactive Dreams presents a surrealist vision of the future where a global nuclear exchange in 1996 has reduced the world to a neon-soaked, post-apocalyptic wasteland. The story follows two young men, Philip Chandler and Marlowe Hammer, who emerge from a fallout shelter in 2011 (some sources cite 2001) after fifteen years of isolation. Having been raised entirely on a diet of 1940s detective fiction and swing music, they interpret the chaotic ruins of the world through the stylized lens of hardboiled noir, effectively creating a cultural divergence where the "future" is populated by retro-obsessed survivors.

The societal dynamics of this future Earth are defined by tribalism and the breakdown of centralized authority. The "Edge City" setting is controlled by eclectic, fashion-forward gangs, including mutant biker women and cannibalistic hippies, reflecting a world where aesthetic identity has replaced national or civic duty. Technology has largely stagnated or regressed into salvage punk; however, the plot hinges on a high-stakes MacGuffin: two physical activation keys required to launch the world's last remaining nuclear missile. This suggests a future where peak military technology is still reliant on physical, analog-adjacent security protocols rather than digitized or networked AI systems.

In terms of predictions, the film accurately captures the 1980s anxiety regarding nuclear proliferation, though its specific timeline for total war (1996) and subsequent recovery (2011) proved incorrect. The film's depiction of cultural isolation—where individuals form their entire worldview based on limited, archived media—serves as a compelling precursor to the "echo chamber" effects seen in the digital age, albeit through physical books rather than algorithms. While the biological mutations (such as giant rats and burned "mutants") remain firmly in the realm of sci-fi trope, the film's vision of a world where style and subculture dictate political boundaries mirrors modern sociological trends in online and urban tribalism. Analysis of the film's worldbuilding is somewhat limited by its B-movie budget, resulting in fewer than three high-quality academic sources; most insights are derived from retrospective genre criticism and cult film reception.