It's the family business.But the entrance requirements are still high.Alexa and Alison are the first twins in four generations of assassins. Schooling starts early. In their family, age five begins the process of learning skills necessary to survive the world they will one day enter.Training as a team, they are pit against their older brothers and cousins in a home-school environment designed to present challenges no child should face.Surviving the school environment is only one aspect of their training. They must also conquer what lies beyond. Human traffickers and drug dealers are just two of the threats they face.As one twin embraces their life, the other questions it. Will their twinship be enough to keep them united or will the realities of their world tear them apart?