Rival gangs fight over booze and bars during Prohibition in 1920s Galveston: the "Sin City of the Southwest." Jazz Cross, a young society reporter, suspects foul play when a bank VP collapses at her half-brother Sammy's speakeasy. Was it an accident or a mob hit? As turf wars escalate, Sammy is accused of murder and Jazz must risk her life and career to find the killer. Inspired by actual events.