It's the summer after Eclipse and the Cullen's are all set to welcome Bella officially into their family, on the other side of the world, the Volturi is planning to use them as an example, but Demetri, wanting to prove himself, unleashes his own attack on the Cullens, and kidnaps Bella on her wedding day.
The Cullens and the Quileute Pack are now in a race to save Bella's life, and are on the road to facing darker times than any of them expected.
Breaking Dawn in a Canon, Post-Eclipse based game, focused around the culmination of the Vampire covens, and the rise of the Volturi.