Episode Synopses for Episodes 4 – 9

The new shape-shifter strikes again, and Scott recruits a reluctant Allison to acquire a rare book in Gerard’s collection.

Derek becomes convinced that Lydia is the shape-shifter, and forces Scott to help him protect her.

With startling new information about the shapeshifter, Scott and Stiles hurry to protect their friends while Allison is given an investigative task by her family

As Lydia begins to make connections about the bite from Peter, Jackson causes new problems for Scott and Stiles while Derek has a crisis of faith in his leadership as a new Alpha.

During a secret concert, Scott and Stiles come up with a method to trap the new shapeshifter. At the same time, Allison’s mother comes up with a plan of her own to take care of Scott once and for all.

Even as his relationship with Allison becomes further strained, Scott and Stiles must attend Lydia’s birthday party while Derek locks his new wolves up to watch after them on their first full moon together.