Cardboard Gangsters follows the story of a group of young lads in Darndale, led by Jay Connolly (John Connors), who sell drugs to make a living. They set out in a bid to gain more money and power and enter the big leagues of the drug trade. Things begin to unravel quickly as not everyone in Darndale is willing to let these Cardboard Gangsters achieve the notoriety they crave without a fight.

A gang of desperate criminals seek refuge in what appears to be a perfectly ordinary house - but discover it houses something much more sinister, and much more otherworldly, than they'd initially thought...