"After Bella recovers from the vampire attack that almost claimed her life, she looks to celebrate her birthday with Edward and his family. However, a minor accident during the festivities results in Bella's blood being shed, a sight that proves too intense for the Cullens, who decide to leave the town of Forks, Washington for Bella and Edward's sake. Initially heartbroken, Bella finds a form of comfort in reckless living, as well as an even-closer friendship with Jacob Black. Danger in different forms awaits."
(Above taken from this page).
Fantastic movie... One of the few sequels that were actually as good as the first movie in the series! I hope the rest of the series is as good!