A vengeful Willow uses her enormous power to track down Warren, despite Buffy's strong feelings about targeting humans.

Fueled by black magic, Willow targets Andrew and Jonathan, leading to a battle between Buffy and Willow; Spike fights an unstoppable foe.

Giles arrives to face Willow, armed with powerful borrowed magic. Willow, overwhelmed by power and grief, plans a ritual to put the world out of its misery.