A full moon rises in Beacon Hills, and with it a terrifying evil has emerged. The wolves are howling once again, calling for the return of Banshees, Werecoyotes, Hellhounds, Kitsunes, and every other shapeshifter in the night. But only a Werewolf like Scott McCall, no longer a teenager yet still an Alpha, can gather both new allies and reunite trusted friends to fight back against what could be the most powerful and deadliest enemy they’ve ever faced.

CDC researcher Abby Arcane investigates what seems to be a deadly swamp-born virus in a small town in Louisiana but she soon discovers that the swamp holds mystical and terrifying secrets. When unexplainable and chilling horrors emerge from the murky marsh, no one is safe.

Scott McCall, a high school student living in the town of Beacon Hills has his life drastically changed when he's bitten by a werewolf, becoming one himself. He must henceforth learn to balance his problematic new identity with his day-to-day teenage life. The following characters are instrumental to his struggle: Stiles, his best friend; Allison, his love interest who comes from a family of werewolf hunters; and Derek, a mysterious werewolf with a dark past. Throughout the series, he strives to keep his loved ones safe while maintaining normal relationships with them.

Devastated by the end of his marriage and hopeless at dating, Cal receives a helping hand from a smooth-talking player who's about to meet his match.

Strange lights descend on the city of Los Angeles, drawing people outside like moths to a flame where an extraterrestrial force threatens to swallow the entire human population off the face of the Earth.