The quiet nicker of a horse, the song of nightbirds, a chorus of frogs - the background to sleep on tranquil Sutter Island - are replaced by the ringing of a phone. From Mexico comes a desperate plea disguised as a casual request.
A young doctor has fallen in love with the wrong woman. His love will lead him into a web of deceit and danger as he is forced to become part of a plan to smuggle drugs up the California coast.
In The Delta, Jessie Red Cloud is returning to her work as a Sacramento County Sheriff's Deputy, unaware that she and her friend and former partner Bodie McDonald are about to be drawn into a secretive task force, led by a man who trusts no one.
Two groups of people are on a collision course, one that will lead them to a deadly confrontation in the quiet backwater behind a place called Locke.