Before The End

If Lily doesn't find her mate before she turns 20, she will die. Her wolf can't live without her mate, well, not for very long, anyway. So what happens when Alpha Jackson comes into town to help with a rouge problem that's happening in her dad's pack and she finds out that he's her mate. But once she finds out he has a girlfriend, she confronts him about it, about them being mates. But he doesn't want a mate, he's only 21 and is not ready for that commitment. So he rejects her. What he doesn't know is that if accept her, she could die faster. Him not knowing about the disease makes it worst, everyday she is slowly dying faster by the minute, knowing her mate doesn't want her. Well he find out in time before she dies? And what happens to the rouges?