Haven's second season plunges Audrey Parker, a determined FBI agent investigating supernatural afflictions, into a town where strange events, known as "Troubles," are commonplace. She works alongside Nathan Wuornos, a police officer who can't feel pain, and Duke Crocker, a man with a mysterious past. The season's core conflict revolves around Audrey's quest to understand and control these Troubles, while also uncovering the truth about her own identity and connection to Haven.

The season is marked by shocking revelations and dangerous encounters. A second Audrey Parker appears, leading to the discovery that the original Audrey is actually a Troubled individual with implanted memories. Ian Haskell, who steals afflictions, is killed after attempting to destroy Haven. Later, Audrey's memories are erased by a mysterious building. Lori is electrocuted by her own powers, and Chris turns into a statue. Evi Ryan is fatally shot during a lockdown at the police station. Audrey kills Reverend Driscoll to protect Duke. The season culminates with Audrey learning she is Lucy Ripley, a past iteration of herself, and Kyle Hopkins commits suicide to end supernatural disturbances.

The season concludes with Haven trapped in an invisible dome, causing residents to vanish. Audrey manages to release the town, restoring everyone, but the events are forgotten by the residents.

Season 2 of Haven covers episodes 1-13. Here's everything that happened:

Season 2, Episode 1: A Tale of Two Audreys - The episode opens with the arrival of a second Audrey Parker, who claims to be an FBI agent and possesses many of the original Audrey's memories. As biblical plagues descend upon Haven, caused by a man named T.J. whose power manifests what he reads, the two Audreys work together. It is revealed that the "other" Audrey is the true Audrey Parker, while the original Audrey is the Troubled one with implanted memories. The episode concludes with the true Audrey protecting the imposter Audrey from their supposed FBI boss, who is revealed to be from the imposter's reality.

Season 2, Episode 2: Fear & Loathing - The townspeople of Haven are plagued by their worst fears manifesting visually, a phenomenon linked to Ian Haskell stealing afflictions. Nathan Wuornos regains his sense of touch, and Ian is mortally wounded by Nathan after attempting to destroy Haven with a puzzle board, but he transfers Jackie's affliction to him before dying.

Season 2, Episode 3: Love Machine - Audrey and Nathan investigate the Haven docks, which have begun attacking people. They discover that a man named Louis Pufahl, who fixes machines, has inadvertently caused this "Trouble" by imbuing them with obsessive affection. Halsey is killed by the possessed machines, and Louis's girlfriend, Marcia, is targeted. The episode concludes with Audrey finding a mysterious building that erases her memories, leaving her with amnesia.

Season 2, Episode 4: Sparks and Recreation - Mayor Brody's wife, Felicia, uses a woman named Lori, who can channel electricity, to kill him. Audrey investigates the mayor's death, uncovering that his affliction caused people to adore him. Chris, the mayor's son, inherits his father's affliction, and Audrey begins to develop a connection with him. The episode concludes with Lori being electrocuted by her own powers, and Chris succumbing to his inherited affliction, turning into a statue.

Season 2, Episode 5: Roots - While attending a wedding, Audrey discovers a guest can control plants. The wedding turns into a deadly trap as roots erupt from the ground, engulfing the estate and trapping attendees, including Audrey, Chris, Duke, and Evi. Nathan, Vince, and Dave are also trapped by the aggressive flora. The episode concludes with the revelation that the family's deep-seated hatred has caused the plants to react, and love is suggested as the solution.

Season 2, Episode 6: Audrey Parker's Day Off - Audrey discovers she is reliving the same day, with a different friend dying each time. The cause is a man with OCD whose guilt over his daughter's death triggers a time loop. He ultimately sacrifices himself to break the cycle, but Audrey is left distraught that she couldn't save him.

Season 2, Episode 7: The Tides That Bind - A mysterious drowning leads Audrey and Nathan to the reclusive Glendower family, who possess a unique "Trouble" that requires them to spend extended periods submerged in water. It's revealed that Cole Glendower murdered Leith Glendower to protect Gwen/Penny's secret. The episode concludes with the Glendower men, including a young Daniel, embracing their aquatic nature and migrating to the sea, leaving behind the human world.

Season 2, Episode 8: Friend or Faux - A mild-mannered banker, Cornell Stamoran, spawns darker, unhinged copies of himself. These clones are intent on killing Henry, a young witness to Stamoran's embezzlement and murder of his boss. Audrey convinces a clone to kill the original Stamoran, ending the cycle of copies. The episode concludes with Nathan facing potential dismissal from his police chief position due to fabricated evidence against him.

Season 2, Episode 9: Lockdown - A mysterious infection sweeps through the Haven police station, forcing a lockdown with Audrey and Nathan trapped inside. They suspect a supernatural cause, not a mere outbreak. Evi Ryan is fatally shot while trying to help, and the episode concludes with the revelation that Chief Merrill was in contact with Driscoll, indicating deeper complicity.

Season 2, Episode 10: Who, What, Where, Wendigo? - A teenage boy goes missing in the woods, leading Audrey and Nathan to investigate a local legend of a Wendigo. They discover the "Wendigos" are two young girls with cannibalistic afflictions. Audrey kills Reverend Driscoll to protect Duke and the girls. The episode concludes with the girls being taken into protective custody, and Duke lamenting the loss of a potential source of information about his past.

Season 2, Episode 11: Business as Usual - Audrey and Nathan investigate a series of bizarre murders where victims are mummified. Duke discovers a shocking secret about his lineage that could alter his future, while Audrey confronts a figure from her past, leading to a startling revelation about her own identity. The episode concludes with these significant personal discoveries for both Duke and Audrey.

Season 2, Episode 12: Sins of the Fathers - Ghosts of the past rise in Haven, seeking revenge and revealing secrets. Bill accidentally shoots and kills Sheila, believing he's saving her from Arlo, her deceased husband, who is orchestrating the event. Audrey learns she is Lucy Ripley, a past iteration of herself. The episode concludes with Kyle Hopkins committing suicide to stop the supernatural disturbances, causing the ghosts to vanish.

Season 2, Episode 13: Silent Night - A Christmas-themed episode set in July, Audrey discovers Haven is trapped in an invisible dome, causing residents to vanish and be forgotten. A Troubled girl, obsessed with a snow globe, is responsible. Audrey convinces her to release the town, restoring everyone who disappeared, but no one remembers the events.