Scott, Stiles, Lydia, Malia, and Liam are trying to figure out how to defeat the Beast of Gévaudan that the Maid of Gévaudan, Marie-Jeanne Valet, faced in 1765. As Gerard Argent, recounts Valet's story to Scott's pack in hopes they can deduce the creature's weaknesses.
Always an outsider and often unnoticed, Scott McCall yearns to be recognized in some small way that takes him out of his typical state of high school anonymity.
When his best friend, Stiles, convinces him to go into the woods one night to join a police search for a dead body, Scott encounters a creature in the darkness. Narrowly escaping an attack with a vicious bite in his side, the next day brings strange surprises for Scott at school and his life will never be the same.