Five school friends seek adventure on Halloween night in an abandoned, haunted mine, only to find to their horror that the ghostly rumors may be true as they fight for survival.

Mark is an intelligent but shy teenager who has just moved to Arizona from the East Coast. His parents give him a short-wave radio so he can talk to his pals, but instead he sets up shop as pirate deejay Hard Harry, who becomes a hero to his peers while inspiring the wrath of the local high school principal.