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.
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.