Barack Carter is a master of blueprints and steel, but his life is a hollow structure until he meets Sza Hargreaves. Sza doesn't just want his designs; she wants his total devotion. As the lines between professional respect and private submission blur, Barack finds himself trading his executive power for the weight of a collar. From the click of her stilettos to the cold metal of his new reality, every moment is a lesson in surrender. When the ultimate assertion of her authority is finally unveiled, will he crumble or find his true purpose at her feet?