The show follows the professional life of Billy Bretherton, an expert in the field of pest control who is the proprietor of Vexcon Animal and Pest Control in Benton, Louisiana which serves the Shreveport-Bossier metropolitan area. Bretherton, a former sergeant in the United States Air Force, had previously been featured on the Discovery Channel’s Dirty Jobs series.

Many members of Bretherton’s family, such as his parents, “Big” Bill and Donnie, and his brother, Ricky, as well as other employees make frequent appearances. Donnie Bretherton normally acts as Vexcon’s dispatcher and rarely goes out on jobs. Ricky’s ex-wife, Pam, and Billy’s wife, Mary, each resigned during the production of the first season.Get the complete episodes guide of Billy The Exterminator