Trained to be a lethal assassin since he was a child, Mathew is assigned one final test from his boss: to kill his brother, Diego. But when Mathew fails the mission and is caught, he is held captive by the enemy for questioning.
All Rex needs to do is make sure Mathew doesn’t escape. But Mathew fights back and proves he is a force to be reckoned with. Rex is consumed by a strong desire to dominate Mathew and to make the enemy his own. Rex must stay in control, but the longer he and Mathew are alone together, the harder it is for Rex to resist the sexy assassin.
Dangerous men, especially killers, are not supposed to love each other. Mathew knows he shouldn’t be attracted to the enemy, but he develops a hunger for his captor that he hasn’t experienced before … and Mathew can’t deny himself any longer.
His Challenger is an enemies to lovers dark MM mafia romance. A content warning page can be found in the front matter of the book.
