The Darkside Seekers' presence in Haven threatens to reveal the existence of the Troubles to the world.
A Troubled individual ends up creating a new reality where the Troubles never existed. Audrey is the only one who is immune and tries to convince Duke and Nathan that she's not insane. However, things become complicated when William, who has a similar immunity and is also trapped, tries to find a way to reverse the situation.moreless
Lexie's attackers from the Bar reveal themselves and their hostage--William--in Haven. To stop them, Audrey must rescue William if she hopes to find out the source of the new Troubles plaguing the town.moreless
While Duke tries to convince Wade to leave Haven, Nathan and Dwight investigate murders where the victims are drained of their blood.
When a Troubled immolates the citizens of Haven, Nathan and Duke have to take time off from their search for Audrey to deal with it.
Six months after the Barn disappears, Duke reappears in Boston. He meets a woman who claims that she can hear the voices from the Barn, and takes her back to Haven to try and find Audrey. The Troubles haven't ended, and the townspeople blame Nathan, who is living as drifter because the Guard wants him dead. As they deal with a Troubled person whose ability has come back, Audrey resurfaces... as a bartender named Lexie.moreless
Gave reveals to Cat that he knows about Muirfield. Vincent is immediately suspicious of Gabe's intentions, but this causes tension with Cat, who wants to trust Gabe. Vincent and J.T. find new living accommodations.
Evan finally tells Cat her loves her but also reveals he's the one who lead Muirfield to Vincent. Gabe uncovers evidence that someone in the department was feeding information to the vigilante.
David Phillips discovers the dead body of the most popular girl in his class at their 15-year class reunion.
A string of murders at a high school reunion indicates the presence of a Troubled individual taking out their teenage frustrations.
The day is here, the barn has arrived. But Haven has still some surprises left. Some things come to a head, answers are given and new questions arise. The departure isn't going as planned and the Hunter storm shows no sign of letting up until Haven is wiped from the face of the earth.moreless
As the time of her 27-year disappearance draws near, Audrey wakes up one morning and discovers that everyone else in Haven has gone into a coma... except for one man.
Audrey and Nathan help a Troubled girl who the Guard wants for their own purposes. When Jordan reveals her true colors, the officers learn the truth about the Barn and Audrey's destiny... and who the real Bolt Gun Killer is.moreless
One of the Troubled sends Duke back in time to Haven in the 1950s and Audrey and Nathan must rescue their friend before he changes the past... and eliminates their present. When Nathan gets sent back as well, Audrey finds herself trapped in a new reality where Reverend Driscoll's men control the town and hunt the Troubled.moreless
Audrey, Duke, and Tommy must find a wounded Noelle before sunset or lose their chance of bringing back Nathan from the dead. However, one of them doesn't want Noelle to succeed.
Audrey gets a lead on the location of the Colorado Kid and heads west with Duke to investigate. Meanwhile, Tommy and Nathan investigate several Troubled incidents involving the resurrection of the dead.
Audrey and the others investigate a Troubled event which takes them to a supposedly haunted house... which traps them inside.
A female vigilante appears in Haven and starts attacking criminals--including Duke. Meanwhile, Audrey tries to get a lead on the bolt-gun killer and Nathan vows to do anything to infiltrate the Guard.
Haven is plagued by a mysterious series of ocean-related deaths... that take place on dry land. Meanwhile, the Teagues investigate Tommy's background, Duke insists on helping Nathan and Audrey with their investigation, and Nathan meets with one of the tattooed people.moreless
Victims in Haven are found with diseased organs next to their bodies... and their own healthy organs missing. While Nathan and Audrey investigate, they have to cope with a Boston police detective following upon a similar murder. Meanwhile, Duke must decide if he will accept his destiny, while Audrey decides what to do about her relationship with Nathan giving her coming disappearance.moreless
A group of unknown naked people go on a rampage in Haven and Audrey and Nathan try to figure out which Troubled individual is responsible... and how to stop them. Meanwhile, Duke learns the secret of the Hunter.moreless
In the aftermath of Audrey's abduction and Nathan's struggle with Duke, alien phenomena plague Haven and a innkeeper's mother goes missing.
Audrey is the only one who realizes that there are Christmas decorations in July that no one else finds unusual. The out-of-season decorations are only a prelude to the bizarre bisection of a surfer and a series of escalating disappearances of people who no one can remember except Audrey.moreless
Haven's dead rise from their graves to reveal the town's secrets... and those of Audrey, Nathan, and Duke.
With Nathan's help, Audrey finally locates Lucy Ripley and goes to confront her. Meanwhile, Duke and Dwight join forces to discover what Duke's father Simon left for his son.