Scott McCall is bitten during a search for a missing body and gets special powers.
Scott tries to adjust to his werewolf powers and contemplates whether to play in the big lacrosse game coming up.
Scott thinks he attacked a local man as the werewolf and investigates the crime scene.
A new hunter comes to town and shoots Derek, who is certain to die unless Scott can find the right kind of bullet that caused his injury.
Jackson and Lydia have a close encounter with a werewolf after it runs rampage in a video store. Later, Kate has a confrontation with Derek.