Black Rose and Blue Moon

Mkayla and Elija Black are twins, they were born into the strongest and largest pack in England. The Black Rose Pack (I know a girly name for a strong and powerful pack but it works). They grew up knowing about werewolves and how being the children of the alpha will put great responsibility on their shoulders. But what happens when Mkayla's mate is from a rival pack in America????? (Read to find out what happens)