Jack is a walking fossil. The only human among a sea of clones. It's been hundreds of years since humanity died off in the slow plague, leaving the clones behind to carry on human existence. Over time they've perfected their genes, moving further away from the imperfections of humanity. But if they really are perfect, why did they create Jack? While Jack longs for acceptance, Althea-310 struggles with the feeling that she's different from her sisters. Her fascination with Jack doesn't help. As Althea and Jack's connection grows stronger, so does the threat to their lives. What will happen if...