Teen Wolf Season 2 Episode 2 : Shape Shifted

Isaac's father is murdered the night before a full moon and Isaac is suspected. Meanwhile, Lydia returns to school, and the Argent family removes the school principal and replaces him with Gerard. Scott senses another werewolf's presence on the lacrosse team and discovers that it is in fact Isaac, who begs Scott not to tell the sheriff before being taken into custody for his father's murder. Derek takes Scott to Isaac's house to prove that Scott ...