Acceptable Sacrifices (Sin City #3)

Maxmillian Poole, owner of Las Vegas' premiere bodyguard agency, is satisfied with his loveless relationship with his lover Ethan. Unfortunately Ethan wants to be more than Max's paid plaything. When a treasure hunting client makes a major discovery and needs their protection, Max and Ethan take the job, unaware of the danger they will face both to their lives and to their relationship.