Still angered over Prue's death, Piper goes on a demon vanquishing rampage, ultimately putting Phoebe, Cole, and herself at risk. As they fight the demons called The Furies, Piper accidentally inhales some smoke that was released by the demons, resulting in her anger magnifying and becoming a Fury herself. It is only after going to Prue's grave is she able to let go of her anger. Meanwhile, Paige steals the Book of Shadows and uses it for her own personal gain at work after she and some co-workers get harassed by a boss.