Giles returns with a device that will deactivate Spike's trigger. It takes him into his past and shows the close relationship with his mother, who used to sing 'Early One Morning' to him. After he was sired by Drusilla he tried to save his dying mother by vamping her, but she turned on him and he had to stake her, leaving an emotional wound that has never managed to heal. When Buffy still refuses to believe Spike is a danger to them all, Robin asks Giles to help him get his revenge on Spike, leaving Buffy betrayed by the person she trusts the most.
"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.