FBI agent Audrey Parker tracks a federal prison escapee who mysteriously dies shortly after reaching his hometown of Haven, Maine.
Haven’s new season begins as Audrey and Nathan discover a supernatural threat visiting deadly plagues upon the town – all while grappling with a visitor to town who shares Audrey’s name and memories.
Agent Howard visits Haven to question Audrey about her strange behavior as a local policewoman, but the interrogation is derailed when two of the town's criminals hijack Duke's boat with Howard, Audrey and Duke aboard.
As ocean-related deaths plague Haven, Audrey races to find a connection between the victims, knowing that, as sure as the tide rises, her time to solve the mystery is running out.
In the third season finale, Audrey, Nathan and Duke square off against the Bolt Gun Killer and Audrey's own tragic fate.