Five seperate stories in this episode has the gang encountering a paranormal force which spells future doom. While out on patrol, Buffy squares off with a former classmate and current vampire, who goads her into revealing her insecurities. Back at home, Dawn is thrown into a panic when an invisible force trashes the Summers' house and deposits the inactive person of her mother on the sofa. The ghost of Cassie visits Willow under the guise of being sent by Tara; and Spike apparently has returned to his hugging ways. Meanwhile, nerdy villains Jonathan and Andrew return from Mexico.
"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.