While Audrey draws ever closer to losing herself, the others try to open the door and send William back.
When Audrey won't accept that she helped create the Troubles, William unleashes a new Trouble-related curse on Haven.
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.
An ocean-related Trouble brings the crushing pressure of the depths to Haven, while Audrey and Nathan discover that the residents' Troubles are mutating.
Audrey and Nathan go after a Troubled who can enter people's dreams, while Duke hunts down his brother.
While the mystery of Lexie continues, she helps Nathan and Duke try to find a Troubled person who can petrify their victims.
Nathan gets a new partner as he tries to track down a Troubled person who can change its victims' personalities.
Children in Haven begin disappearing and the cause may be related to an ancient legend. Meanwhile, Duke and Jennifer try to pinpoint Audrey's location.
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