The series follows the teenage Scarlett McCall, who, when accompanying her best friend Steph Stilinski into the woods of their hometown one night, was bitten by a mysterious and ferocious beast. She soon learned that the beast was an Alpha Werewolf and that she herself has now been turned into a Beta Werewolf, forcing her to learn how to control her new powers and urges with the help of Steph and Deanna Hale, a mysterious and brooding Beta Werewolf who just returned to Beacon Hills upon hearing of the death of her brother, Laurence. All the while, Scarlett struggles to keep her supernatural identity a secret from her father, Matthew McCall, and her new boyfriend, Al Argent, who is unknowingly a member of an ancient family of Werewolf Hunters. Scarlett's transformation into a Werewolf then becomes the catalyst for an onslaught of supernatural disaster to occur in the town, caused by fellow Werewolves, Kanimas, Druids, assassins, Werejaguars, Berserkers, Dread Doctors, and Chimeras, to name a few.
