A decapitated body washes up in the mangroves, drawing Jay Swan to the furtive township of Gideon. It seems drug-related but is it also familiar? Partnered with local cop, Fran, Jay must unlock what the community knows.

Jay and Fran have Dylan on the hook, until a local businessman steps in and bails him out. Jay takes matters into his own hands to rectify the situation. Fran's world comes crashing down as a long-held fear suddenly surfaces.

Struggling with Mary's new relationship, Jay reluctantly uses Simon's help to narrow in on the drugs and murder investigation. With the discovery of the bones, Fran is determined to reopen Zoe's case on her own.

With the case apparently solved Jay is being encouraged to leave town, but something isn't adding up. Jay begins to question the motives of all those around him. Fran is dealt another blow in the search for justice for Zoe.

Now in danger, Mary must lean into Jay for help. Jay struggles to keep Mary safe as the threat closes in on both of them. Fran feels betrayed as she digs deeper into Zoe's disappearance.