Combustion on AllMovie

When a series of unexplained explosion send shockwaves of fear through a small town, it's up to a city engineer to save the panic-stricken residents in director Kelly Sandefur's bombastic thriller. City engineer Joe Lando (Michael Gross) has just returned to his small hometown with his wife and teenage son following an extended stint in Houston when he discovers evidence of methane gas in the town's drainage system. When Joe's concerns are met with cool resistance by the fire chief, his suspicions of a conspiracy lead him to an ominous discovery that endangers the lives of everyone in the tightly-knit community.