Lee Joo-hyuk is the eldest son of Shinwoo Group and CEO of Shinwoo Construction. He met his Omega when he was a child, but he died before his eye. Since then, he has not been able to forget it, but neither can he bear any other. No matter who you have sex with, you can't enjoy it, so you have to masturbate at the end, imagining the sweet scent of your late Omega. All that changes the day he lays his eyes on his new secretary and bodyguard, a Beta Kwon Yi-hyun. "Do you want to do something for me ? Then lie down and spread your legs" Kwon Yi-hyun. Although it used to be an Omega dominant, it's pheromone gland was damaged in an accident and since then it has not emitted any odor again. At first, he has great confidence that he will be able to do amything to protect his Alpha Lee Joo-hyuk, whom he has not seen since they were children, when the accident happened. However, when they meet again, this one is not only very different from how he was in the past, but he also doesn't recognize Kwon Yi-hyun because of his lack of scent.