Smart and self-assured FBI Agent Audrey Parker has gaps in her past. She arrives in the small town of Haven, Maine, for an ordinary case. Before long, her professional curiosity pulls her into the center of strange occurrences in this reclusive community. It soon becomes clear that this town is a gathering place for people affected by supernatural events in various ways. As the townspeople's hidden abilities start to surface, Audrey continues to uncover Haven's secrets while trying to prevent these powers from spreading beyond the town.