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Summary

Stiles uses his father's research to get answers about the Alpha's victims. Apparently, the Alpha has been killing only the ones who were involved with the fire that killed the Hale family. Jackson is suspected to be one of the werewolves and Allison's father tries to get the truth out of him. Scott is angered by this but Jackson is still keen on becoming a werewolf. Derek and his uncle appear while Scott is in the school locker room. They want him to enter the pack. Scott is shocked that Derek is suddenly on the Alpha's side. The Alpha punctures Scott's neck, showing him what really happened during the fire and the murders through flashbacks. He reveals that the murder of Derek's sister was an accident and shows him that as well. While looking for her necklace with the family crest, Allison finds ...

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