Beast Girl and Her mate

When their daughter disappeared suddenly after a sleep over at a friends home the authorities assumed hers was yet another kidnapping and that she was lost forever but three years later her parents received a letter supposedly from their daughter and then they never heard anything again for nearly fifteen years one day their son a prominent best selling author got a telephone call from a person claiming to be his twin the caller tried to explain herself but Martin Cole could not bring himself to believe his sister was still alive and so the caller hung up and then she called back and asked if he lived in the city in such and such place and when she got to his place her looks had not changed since the day she disappeared this is weird said her brother how can it be and she told him she had to leave because to stay would have put him and her family in grave peril. Because she had done something which triggered the family curse I don't believe this said her brother and then after she offered proof that she was telling the truth he told her in the morning she and he should fly to their family's ranch and ask their parents what this curse thing was all about if they knew about it.