Dawn lies to Buffy and spends Halloween night joyriding and partying with her friend Janice and two older boys. She develops a crush on one of the boys, Justin, and receives her first real kiss. When the boys reveal themselves to be vampires Dawn stakes Justin and is devastated. Buffy decides Dawn needs a serious grown-up talk but she hands the task over to Giles, who is not at all happy about the way Buffy is depending on him so much. Meanwhile, after Willow and Tara have a fight about Willow's abuse of magic, Willow casts a spell on Tara to make her forget the fight.
"Into every generation, there is a chosen one. She alone will stand against the vampires, the demons, and the forces of darkness. She is the slayer".
When a young vampire slayer by the name of Buffy Summers, moves to Sunnydale, California, she quickly finds out that Sunnydale is located right on top of the Hellmouth - the center for all evil activity. Her new watcher, Rupert Giles, also happens to be the school librarian. It is his job to train her and guide her in all the skills she needs to be a Slayer. She and a group of close friends, commonly referred to as "The Scooby Gang", help her in her battle against evil.