Former small-town girl Amery Hardwick is living her dream as a graphic designer in Denver, Colorado. She’s focused on building her business, which leaves little time for dating—not that she needs a romantic entanglement to fulfill her. When her friend signs up for a self-defense class as part of her recovery after an attack, Amery joins her for support. That’s where she meets him. Ronin Black, owner of the dojo, is so drawn to Amery that he takes over her training—in public and in private. The enigmatic Ronin pushes Amery’s boundaries from the start, and with each new tryst, Amery becomes addicted to the pleasure and to him. But when Amery senses Ronin is hiding something, she questions her total trust in him, despite the undeniable thrill of his possession

In this conclusion to the Mastered series by New York Times bestselling author Lorelei James, a man’s need for control is tested by the one woman he’ll risk everything for… When sensei Ronin Black first encounters Amery Hardwick, the fire in her eyes ignites a sexual spark a thousand times better than the primal rush he used to get from mixed martial arts matches. She accepts his darker edges and admits to him that her desires aren’t as wholesome as he believed. And before long Ronin is grappling with emotions he’s never felt before…. Yet despite demanding Amery bare her body and soul to him, Ronin holds a part of himself back. When she learns Ronin’s secret and walks out, his life begins to unravel.  To regain her trust he must let go of his pride and prove to her that it’s more than passion binding them together. But after their private pleasures are made public, Ronin is unsure if he’s the right man for Amery. Can they face the consequences together? Or will their differences rip them apart?