Picking the wrong night for mother-daughter bonding, Joyce discovers the bodies of two children apparently sacrificed in an occult ritual and she rallies the adults of Sunnydale convincing them to rid the town of evil, including Buffy, Willow and Amy. Giles soon realises that the children are actually demons that do nothug people themselves but invoke fear and panic and gain their power by watching normally calm and sane people persecute each other.
"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.