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.
A preview of the first moments of the mid-season premiere.
Scott and his friends find themselves being challenged by the arrival of a new enemy.
Stiles attempts to prove his suspicions about a new classmate are justified. Lydia attempts to help a student.
Scott is on the trail of a dangerous shapeshifter that has been threatening Stilinski.
Stiles attempts to track down a fugitive. Liam works as one of Mason's wingman at a nightclub.
The friends enters Eichen House so that they can find out more about the Dread Doctors.
Scott and his friends decide to take Dr. Valack's advice and then experience some strange effects as a result.
Following an attack by the Dread Doctors, Scott's plan to protect the latest victim is complicated.
Scott and Malia attempt to rescue their captured friends. Deaton makes a shocking discovery concerning the Dread Doctors.
Scott finds himself turning to an unlikely ally for help. Stiles and Lydia attempt to find out the truth about Parrish.
Scott and his friends have to deal with what could be their biggest threat yet.
Even without the support of his pack, Scott considers what the Dread Doctors' success means for Beacon Hills.
Kira and her mother attempt to help Kira deal with her dark side. Lydia ends up being surprised at Eichen House.
Scott attempts to get his pack put back together. Malia with the help a new friend try to rescue Deaton.
After finding out that Lydia is in danger, Stiles decides to try and break her out of Eichen House. Theo has plans of his own.
Whilst trapped in Eichen House with Theo and the Chimera pack, Scott attempts to rescue Lydia before it is too late.
Scott and the pack decide to use a charity lacrosse game as a ploy to try and find out the identity of the Beast.
The Argents reveal an important clue to the mystery of the Beast of Gevaudan in the effort to align with an ally.
Now that the beast's identity is known, Scott and his pack race against time to stop the Dread Doctors.
Loyalties are tested and new alliances forged as Scott and his friends work to stop the Beast before Beacon Hills is razed to the ground.