Into every generation a slayer is born: one girl in all the world, a chosen one. She alone will wield the strength and skill to fight the vampires, demons, and the forces of darkness; to stop the spread of their evil and the swell of their number. She is the Slayer.

Heather and Heidi play volleyball for their school team, when their family decides that they need to go to a bigger school so that they will have a better chance for scholarships. But at the new school, the twins are discovered by the basketball coach. Inspired by the true story of Heather and Heidi Burge.