Alpha's pups

Dolph is a very powerful Alpha. He is dangerous who owns the biggest pack in the country. He is possessive, dominant, control maniac, like to control everything and everybody. But he has a secret...He was never be able to produce a heir and thats killing him from inside, specially because he is over 500 years old. You are a young woman, a wolf from another pack. You dont know each other and you have no idea who is he exactly. You two meet on a wedding party and spend a passionate, wild night together. But once he wake up at the morning you are gone. One month later you figure out that you are pregnant from him. The same day your Alpha says that there will be a party at the night and your pack will host the biggest pack and their Alpha. Once you see him, you run away....