Welcome to Sigma International Security, where the men are lethal, the missions are dangerous, and falling in love is never part of the assignment. Each of these elite protectors lives by one code: failure is not an option. But when fate puts a curvy, irresistible heroine in their path, professionalism quickly collides with passion. What starts as a job becomes something far more dangerous—because losing their woman is the one risk they’ll never take. From holiday hideaways to high-stakes operations, these over-the-top heroes will stop at nothing to keep their charges safe. But can they convince the women they protect that what burns between them is more than duty? That it’s destiny? Get ready for heart-pounding suspense, steamy romance, and heroes who will go too far, break every rule, and fight every threat—because once a Sigma man claims his woman, he’ll never let her go.