Lightning has vanished from the world and ends up in Valhalla - however her friends assume she has died. Over a year later, her sister Serah Farron meets a young man who claims to have seen Lightning, and she agrees to journey with him to find her.
Taking place over a year after Final Fantasy XIII, Final Fantasy XIII-2 is a direct sequel with a number of new features. The largest inclusion is the "Historia Crux System" which allows the player to jump through time gates with drastic changes being reflected in the game depending on the action taken. These actions will lead to different endings. The game will also have multiple dialogue options - however these will not have an impact on the story.