When a group of rambunctious teenagers ditch school in search for an abandoned history museum hidden in the mysterious Prokopian underground, they are captured by an underground militia belonging to a hidden civilization known as "The Grounders". In exchange for freedom, Vance, Dennis, Ricky, and Paul volunteer to form the first ever Underground Pizza Delivery Service, smuggling everyone's favorite Italian dish in exchange for mercy, minimum wage, and the adventure of a life time!