Eddie and his family have just inherited a spooky wreck of a house. What they do not know about the house is that it was built over an evil passage way, but they are soon to discover the wacky evil it releases.

A teen and his friends get into trouble for vandalizing the Hollywood sign, and rather than going to prison he opts to work for his uncle's hot tub repair company. The sleazy salesman drums up business by sabotaging the tubs at Hollywood Hot Tubs and by wooing the owner. The nephew begins falling in love with the secretary at his uncle's company, but risks losing her when caught in compromising but unintentional situations while he goes about his duties as tub repairman.

Something or someone is attacking people one by one on the beach. Some of them are mutilated, but most of them are sucked into the sand, disappearing without a trace. What is the creature responsible? Where does it live, and where did it come from? And is there any chance of it reproducing? Meanwhile, David Huffman and Mariana Hill are once-almost-married old friends, reunited over the death of her mother on the beach, and searching for clues in the abandoned buildings where they used to play when they were young.