After stealing a falcon ring from a pawn shop, wanted thief Valkyrie's world is turned upside down as she discovers she is a part of a secret group of girls who dedicate their lives to protecting the earth from people who try to change the history of the world by traveling back in time. Now Valkyrie must join forces with the other members of the Time Travelers in order to stop the Niancara from traveling back in time to alter the events of the past to shape the world in their image.