Jacobs Imprint Lexi

This is the story of what would have happened if Jacob hadn't imprinted on Renesmee? What if he had imprinted on Lexi,Seth and Leah secret sister? Well that's what happened but Lexi has a past that only Jacob and the pack knows about but when this past puts the Cullen's in danger the past comes to light. Will Lexi and Jacob have their happy ending or will greater forces tear them apart?