When the patrons of a rural bar are murdered execution-style, two determined detectives work to track down a pair of killer brothers and solve the most heinous crime in the history of the small town.
Things get murky along the Tennessee River when a mussel distributor and his fiancée are killed by a trio of rough-neck brothers determined to steal a big payout and silence anyone that gets in their way.
The ambitious Luna brothers take wildly divergent paths, one becoming a decorated army officer, while another rises in a Mexican cartel. When the brothers' worlds collide, a murder ultimately brings them all down.