'Refrigerator Parasite' is a horror sci-fi comedy that draws on the B-movie splatter tradition, incorporating a humorous and engaging style reminiscent of 'Ghostbusters.' The story centers around an unknown virus from space that has lain dormant for decades, only to resurface in the early 2000s in Australia, where it is initially contained by a U.S. government task force. However, after a sample of the virus is mishandled and sold, outbreaks begin to occur in a newly repurposed warehouse business.

The narrative follows two main characters: a down-on-his-luck security guard known as Biscuit and his new colleague Naomi, who is dealing with her complications from a failed relationship and raising her young daughter. Set against the backdrop of a decaying social environment and looming viral threat, their budding romance serves as a core plot point, promising both comedic and poignant moments.

While the film does indulge in outrageous visuals of exploding zombies and stinky fluids, it also hints at deeper societal reflections, such as issues of government incompetence and personal struggles. The combination of humor with this commentary allows the film to resonate with audiences while delivering entertainment that is entertainingly grotesque and absurd.