Enemies as Mates

Edward Cullen x Melody Cameron x Beaumont Swan x Antonio Volturi

Summary: Melody Cameron moves in with her godfather, Charlie Swan, and his son Beau, at the age of six when her parents were in the middle of an ugly divorce. Her and Beau have been been best friends since they were children and Charlie would always tease them saying that they would end up together. When Beau and Melody begin high school they start dating and two weeks later a family of vampires, the Cullen family, move to town. Beau and Melody meet Edward Cullen, who is surprised to see that he has two mates, who both carry shifter blood.

Beau, a cougar shifter like his father and Melody, a wolf shifter like her mother and older brother who had already shifted. With the arrival of the Cullen family, Beau and Melody begin to show signs of shifting but it doesn't happen till Beau and Melody begin their junior year and the news of Beau's younger twin sister decides to return to Forks. In the two years of the Cullens living in Forks, Edward slowly got closer to his two mates and by the end of their first semester of their junior year did he enter a relationship with Beaumont Swan and Melody Cameron.

What will happen when both of Edward's mates shift due to Isabella's return and how will they react to being imprinted to their enemy? How will Melody react when she finds out she has a third mate in Italy?