Buffy -- living on her own in a big city -- assists a girl whose boyfriend has mysteriously vanished. Back in Sunnydale, Buffy's friends do their best to battle the forces of evil without her.
Xander experiences an adventure of his own when he encounters a group of reanimated corpses out to construct a bomb. Meanwhile, Buffy and her friends battle the forces of evil when the Hellmouth reopens.
After Angel breaks off their relationship, Buffy single-handedly battles three fearsome hell hounds so that her classmates can enjoy their senior prom.