It's a scorching Houston summer, and homicide detective Noah Daugherty's only consolation is his life's work: solving crimes to atone for the sins of his past. When the high-powered CEO of Beneficial Products, a company dedicated to the production of healthy foods, is discovered drowned in her hot tub, what appears to be either an accident or suicide, quickly escalates into something much more sinister. As the body count rises, the link between victims becomes all too clear. Can Noah find a killer bent on vigilante justice before the storms of summer strike?