A few weeks following the events that concluded DEEP, Book One: The Ariel Series, Captain Joel Riley is struggling to adjust to his new relationship with his medic, Sean, and when a face from Sean's past sets out to destroy Joel and his ship, Joel faces an impossible decision: Sean or Ariel. Sensing Joel's dilemma, Sean makes the decision to leave. He does so knowing he must confront his past and the abuse he suffered. Subjected to the same trauma again, this time at the hands of his brother, he uses the strength Joel taught him to take his future into his own hands. For Joel, life without Sean proves unbearable and he comes to the realization that he needs more than just his ship. He sets out to bring Sean back... whatever the cost.