With his father, the head of the organization, in failing health, Yuhyeon, the designated successor (number one), prepares to take over the syndicate. "I need to see a grandchild!" A grandchild?! Can the condition for succession truly be producing an heir? Driven by his father's ultimatum, the search begins for an Omega husband for Yuhyeon. Amidst countless schemes and sabotage attempts against Yuhyeon, Hyeondo, his childhood friend and the number two in the organization who covets the boss's seat, hears the news. "Whose child do you think you're going to have besides mine?" This is the dangerous relationship between Yuhyeon, desperate to keep his position, and the Alpha Hyeondo, determined to possess him. A fierce succession war begins, contingent upon producing an heir. Caught between desire, obsession, and love, what will Yuhyeon choose?