Book 3: The Final Equation Brittany and Alex are determined to make their relationship work, but they face new challenges and obstacles. Alex's past catches up with him, and Brittany must decide whether she is willing to stay with him in the face of danger. The story explores themes of forgiveness, redemption, and the importance of making difficult choices for the sake of love. The series concludes with Brittany and Alex finally finding their place in the world together, despite the challenges they have faced.