FBI agent Audrey Parker tracks a federal prison escapee who mysteriously dies shortly after reaching his hometown of Haven, Maine.
Mike juggles his work obligations with his promise to help a hurting family. Harvey asks for Louis’s discretion in handling a sensitive matter. Donna vets a possible addition to the firm.
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.
