Elena, a werewolf trying to live a normal life, is summoned home by Jeremy the leader of her Pack when they come under attack by an unknown enemy. But returning to Stonehaven means facing Clayton Danvers, the only man Elena has ever loved, and the one who betrayed her by changing her into a werewolf.
S01E02 - Prodigal
Elena tries to keep Clayton at arms length, but he lets her know he'll do whatever it takes to get her back in his life for good. Elena uses the search for the deadly "mutt" as a distraction from her complicated personal life, but things get worse when a second dead body is found on Stonehaven's property.
S01E03 - Trespass
Elena and Clayton fall back into old patterns from their former relationship, which causes alarm for Elena who wants to forget the past. Together, they track down the Mutt at a warehouse, but find themselves in a sticky situation when the Mutt shifts to a wolf.
S01E04 - Grief
Elena and Clay must put aside their growing sexual frustration as they team up to discover who and why someone has turned serial killers into werewolves.
S01E05 - Bitten
Elena is overcome by her remembrance of her love affair with Clayton, and he betrayed her trust by changing her into a werewolf to make her his mate, but still defends him from those who accuse him of being behind the murders. Meanwhile, a former Pack member and rival to Clayton returns with information about the Mutt plot.
S01E06 - Committed
Elena leaves Stonehaven to return to Toronto, but Santos follows her and offers her a deal to escape from the Pack. Back at the Pack's home, Jeremy is challenged for control of his fellow werewolves.
S01E07 - Stalking
Daniele Santos is now revealed as the leader of the mutt uprising, and he requests a meet with the Pack to discuss a potential truce. The Pack sees the meet as an opportunity to trap the rebelling Mutts but once again, the mutts are one step ahead of them and some of the Pack end up being hurt.
S01E08 - Prisoner
Nick must erase Antonio's existence in the human world; Jeremy is poisoned; Elena and Clay are left alone to deal with the Mutt situation in Bear Valley.
S01E09 - Vengeance
The Pack comes together to take on the notorious ex-Pack enforcer, Jimmy Koenig, who has been hired by Santos to kill them.
S01E10 - Descent
Elena returns to Toronto for her art show accompanied by Clay, who keeps a protective watch over her while camping out on Philip's couch. Elsewhere, the Pack receive valuable information about the Mutts from an unexpected source.
S01E11 - Settling
Elena enters into damage-control mode with Philip, who has become painfully aware of her romantic history with Clay; and later, breaks Pack law when the Mutts launch a coordinated attack in Toronto and threaten the human she loves.
S01E12 - Caged
Elena goes against her Alpha's commands when she embraces her killer instinct to free Clay from captivity. Later, when confronted by Phillip, she's forced to come to terms with her true identity.
S01E13 - Ready
In the Season 1 finale, Elena returns to Stonehaven and her Pack after learning the truth about Clay's role in her werewolf origins. Reunited, they ready themselves for an epic war against the Mutt army led by Santos and the mysterious James Williams.