Celina's not the only monster skulking about the neighborhood. D'Hoffryn has returned to Sunnydale to offer Anya another chance as a vengeance demon. Can she give up her romance with Xander and the friendships she's forged as a mortal for another shot at immortality -- even if it comes with a horrific price tag? Dawn tries to explain to Anya that humanity is worth the occasional heartache, even as she has doubts of her own.