When Wimon, a young Omega haunted by a brutal past, finds herself working under the icy gaze of Oraphan, a cold and distant Alpha CEO, their hearts remain guarded by high walls. Yet, amidst the cutthroat battlefield of the advertising industry, those barriers begin to dissolve, pulled apart by the irresistible call of pheromones longing for one another. Bound by trauma and societal judgment, they must learn to trust—transforming a mere marking and a sacred promise into a place they can finally call "home."