Rejected My Brothers Wolf

Cailtyn is a vampire that is left at a werewolves door when she was a baby, Her new parents decided to keep her and raise her. As a result Caitlyn wants to be a werewolf more then anything, and she wants a mate more then anything and she doesn't just have one she has her brother that has been beaten her up ever since she walked into the house. Can Mason show Caitlyn and tell her why he had to do it?? and can they face all of these obstacles?? What happens when another guy comes into the mix?