Naked savages wander the streets of Haven. While Nathan and Audrey try to determine who they are and where they've come from, Duke convinces the Teagues to let him see the old newspapers and determine who the mysterious "Hunter" is and how he's connected to Audrey.

Audrey and Nathan investigate a series of strange incidents where the only common factor is water. Meanwhile, Duke insists on tailing along on the officers' investigation, while the Teagues do some digging on Tommy's background.

A vigilante stalks Haven's criminals, rendering poetic justice. Meanwhile, Nathan grows closer to Jordan as he attempts to infiltrate the Guard, and Audrey learns more about the bolt-gun killer that is stalking her.

On Halloween night, Audrey, Nathan and Duke become trapped inside a haunted house.

While Audrey and Duke track down the Colorado Kid's parents, Nathan and Tommy investigate Troubled incidents involving the resurrection of dead for payment.

Audrey and Duke return from Colorado. Audrey, Duke and Tommy try to find the woman with the resurrection touch. Meanwhile, the Teagues realizes that the Bolt Gun Killer has tricked them and track the murderer to his real target.

While helping a little girl whose "trouble" is the ability to make people do what she wants Audrey also gathers clues to the identity of the Bolt Gun Killer.

As Audrey grapples with her fate; at the same time she, Nathan and Duke prepare for a showdown with the Bolt Gun Killer.

Duke is ejected from the barn and rescued by a young woman; Audrey is missing and the Troubles are worse than ever.

As charred bodies are uncovered around Haven, Duke must refocus Nathan to solve the case at hand.

Nathan and Dwight race to search for the trouble behind a series of exsanguinated corpses; Duke must convince his half-brother to leave Haven before he learns the truth of the Crocker family trouble.

Nathan and Dwight investigate missing children linked to an ancient legend, while Duke tries to find Audrey by focusing Jennifer's trouble.

Lexie, the new girl in town, joins Nathan on a hunt for a deadly trouble that changes its victims' personalities.

Nathan, Duke, and Lexie find themselves in a race against time to find the troubled person responsible for turning people hard as stone.