After the newest Troubled person switches their minds, Duke and Nathan try to use the circumstance to their advantage to fool Mara. she soon realizes what they're up to, forcing them to risk everything on one last, desperate plan. Meanwhile, Dave and Vince learn more about the circumstances of Dave's adoption in North Carolina.moreless
While Dave and Vince travel to North Carolina to explore the circumstances of Dave's adoption, a new Trouble strikes Haven. Meanwhile, Nathan takes a different approach to try and bring Audrey back.
Nathan abducts Mara on his own so that he can bring Audrey back out... and keep the Guard from killing Mara. Meanwhile, Duke's friend suffers from a fatal Trouble and he needs Mara to cure her... and himself, as the Troubles within eat away at him.moreless
While Duke's new Trouble runs rampant, Nathan sets out to capture Mara and turn her over the Guard in the hope that they can make her undo the Troubles. Meanwhile, Vince and Dwight disagree over the leadership of the Guard as Vince tries to deal with Dave's injuries.moreless
When Audrey won't accept that she helped create the Troubles, William unleashes a new Trouble-related curse on Haven.
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
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.
An old wolf pack mate of Dyson appears out of the blue and needs Dyson's help recovering a stolen Mongolian Death Worm. Bo and Dyson team up once again amidst complications that force Dyson to reconcile with his past and all the mistakes he made.moreless