While Scott struggles to find his place as an Alpha, he, Allison, and Stiles begin to experience strange side effects as a result of reigniting the power within Beacon Hills. They soon discover that the answer to their problems may be found in a new student named Kira, a girl with remarkable powers of her own.

Vanessa Ives and Ethan Chandler are forming a deeper bond as the group, including Sir Malcolm, Dr. Frankenstein, and Sembene, unite to banish the evil forces that threaten to destroy them. Meanwhile, Dorian Gray, the Creature and Brona are all waging battles of their own.

Traces the origins of the centuries-old blood feud between the aristocratic vampires and their onetime slaves, the Lycans. In the Dark Ages, Lucian is a young Lycan who emerges as a powerful leader who rallies the werewolves to rise up against Viktor, the cruel vampire king who has enslaved them. Lucian is joined by his secret lover, Sonja, whose the daughter of Viktor, in his battle against the Vampire army and his struggle for Lycan freedom.

With the Five on her tail, a beautiful and young werewolf named Vivian looks for peace in the arms of a man named Aiden while trying to escape the relentless infatuation of Gabriel. After a series of 'accidental' murders happen, it threatens to tear and expose her pack apart.