Two drifters come into a town in the middle of nowhere high on a cocktail of drugs. It's their main pass time inbetween writing and womanising, neither of which they've achieved much at. After their ramshackled car breaks down they are stranded. To make matters worse not only are their judgement calls impaired but according to them the Triffids and Midwich Cuckoos have invaded the earth after they witness a meteor shower. They can only do one thing, push the drugs as far as they can do before the world ends.